mirror of
https://github.com/FEX-Emu/linux.git
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs compat_ioctl fixes from Al Viro: "This is basically Jann's patches from last week. I have _not_ included the stuff like switching i2c to ->compat_ioctl() into this one - those need more testing. Ideally I would like fs/compat_ioctl.c shrunk a lot, but that's a separate story" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: compat_ioctl: don't call do_ioctl under set_fs(KERNEL_DS) compat_ioctl: don't pass fd around when not needed compat_ioctl: don't look up the fd twice
This commit is contained in:
Linus Torvalds
commit
19ccb28e29
@ -58,6 +58,8 @@
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#include <linux/atalk.h>
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#include <linux/gfp.h>
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#include "internal.h"
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_sock.h>
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#include <net/bluetooth/rfcomm.h>
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@ -115,19 +117,38 @@
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#include <asm/fbio.h>
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#endif
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static int w_long(unsigned int fd, unsigned int cmd,
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compat_ulong_t __user *argp)
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{
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mm_segment_t old_fs = get_fs();
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int err;
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unsigned long val;
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#define convert_in_user(srcptr, dstptr) \
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({ \
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typeof(*srcptr) val; \
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\
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get_user(val, srcptr) || put_user(val, dstptr); \
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})
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set_fs (KERNEL_DS);
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err = sys_ioctl(fd, cmd, (unsigned long)&val);
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set_fs (old_fs);
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if (!err && put_user(val, argp))
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return -EFAULT;
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static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
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{
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int err;
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err = security_file_ioctl(file, cmd, arg);
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if (err)
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return err;
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return vfs_ioctl(file, cmd, arg);
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}
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static int w_long(struct file *file,
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unsigned int cmd, compat_ulong_t __user *argp)
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{
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int err;
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unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
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if (valp == NULL)
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return -EFAULT;
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err = do_ioctl(file, cmd, (unsigned long)valp);
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if (err)
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return err;
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if (convert_in_user(valp, argp))
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return -EFAULT;
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return 0;
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}
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struct compat_video_event {
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@ -139,23 +160,23 @@ struct compat_video_event {
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} u;
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};
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static int do_video_get_event(unsigned int fd, unsigned int cmd,
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struct compat_video_event __user *up)
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static int do_video_get_event(struct file *file,
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unsigned int cmd, struct compat_video_event __user *up)
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{
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struct video_event kevent;
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mm_segment_t old_fs = get_fs();
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struct video_event __user *kevent =
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compat_alloc_user_space(sizeof(*kevent));
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int err;
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set_fs(KERNEL_DS);
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err = sys_ioctl(fd, cmd, (unsigned long) &kevent);
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set_fs(old_fs);
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if (kevent == NULL)
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return -EFAULT;
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err = do_ioctl(file, cmd, (unsigned long)kevent);
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if (!err) {
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err = put_user(kevent.type, &up->type);
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err |= put_user(kevent.timestamp, &up->timestamp);
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err |= put_user(kevent.u.size.w, &up->u.size.w);
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err |= put_user(kevent.u.size.h, &up->u.size.h);
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err |= put_user(kevent.u.size.aspect_ratio,
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err = convert_in_user(&kevent->type, &up->type);
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err |= convert_in_user(&kevent->timestamp, &up->timestamp);
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err |= convert_in_user(&kevent->u.size.w, &up->u.size.w);
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err |= convert_in_user(&kevent->u.size.h, &up->u.size.h);
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err |= convert_in_user(&kevent->u.size.aspect_ratio,
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&up->u.size.aspect_ratio);
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if (err)
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err = -EFAULT;
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@ -169,8 +190,8 @@ struct compat_video_still_picture {
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int32_t size;
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};
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static int do_video_stillpicture(unsigned int fd, unsigned int cmd,
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struct compat_video_still_picture __user *up)
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static int do_video_stillpicture(struct file *file,
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unsigned int cmd, struct compat_video_still_picture __user *up)
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{
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struct video_still_picture __user *up_native;
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compat_uptr_t fp;
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@ -190,7 +211,7 @@ static int do_video_stillpicture(unsigned int fd, unsigned int cmd,
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if (err)
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return -EFAULT;
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err = sys_ioctl(fd, cmd, (unsigned long) up_native);
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err = do_ioctl(file, cmd, (unsigned long) up_native);
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return err;
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}
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@ -200,8 +221,8 @@ struct compat_video_spu_palette {
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compat_uptr_t palette;
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};
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static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
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struct compat_video_spu_palette __user *up)
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static int do_video_set_spu_palette(struct file *file,
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unsigned int cmd, struct compat_video_spu_palette __user *up)
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{
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struct video_spu_palette __user *up_native;
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compat_uptr_t palp;
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@ -218,7 +239,7 @@ static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd,
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if (err)
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return -EFAULT;
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err = sys_ioctl(fd, cmd, (unsigned long) up_native);
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err = do_ioctl(file, cmd, (unsigned long) up_native);
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return err;
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}
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@ -276,7 +297,7 @@ static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iov
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return 0;
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}
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static int sg_ioctl_trans(unsigned int fd, unsigned int cmd,
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static int sg_ioctl_trans(struct file *file, unsigned int cmd,
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sg_io_hdr32_t __user *sgio32)
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{
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sg_io_hdr_t __user *sgio;
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@ -289,7 +310,7 @@ static int sg_ioctl_trans(unsigned int fd, unsigned int cmd,
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if (get_user(interface_id, &sgio32->interface_id))
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return -EFAULT;
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if (interface_id != 'S')
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return sys_ioctl(fd, cmd, (unsigned long)sgio32);
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return do_ioctl(file, cmd, (unsigned long)sgio32);
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if (get_user(iovec_count, &sgio32->iovec_count))
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return -EFAULT;
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@ -349,7 +370,7 @@ static int sg_ioctl_trans(unsigned int fd, unsigned int cmd,
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if (put_user(compat_ptr(data), &sgio->usr_ptr))
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return -EFAULT;
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err = sys_ioctl(fd, cmd, (unsigned long) sgio);
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err = do_ioctl(file, cmd, (unsigned long) sgio);
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if (err >= 0) {
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void __user *datap;
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@ -380,13 +401,13 @@ struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
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int unused;
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};
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static int sg_grt_trans(unsigned int fd, unsigned int cmd, struct
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compat_sg_req_info __user *o)
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static int sg_grt_trans(struct file *file,
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unsigned int cmd, struct compat_sg_req_info __user *o)
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{
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int err, i;
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sg_req_info_t __user *r;
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r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
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err = sys_ioctl(fd,cmd,(unsigned long)r);
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err = do_ioctl(file, cmd, (unsigned long)r);
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if (err < 0)
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return err;
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for (i = 0; i < SG_MAX_QUEUE; i++) {
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@ -412,8 +433,8 @@ struct sock_fprog32 {
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#define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32)
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#define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32)
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static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd,
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struct sock_fprog32 __user *u_fprog32)
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static int ppp_sock_fprog_ioctl_trans(struct file *file,
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unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
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{
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struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
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void __user *fptr64;
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@ -435,7 +456,7 @@ static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd,
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else
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cmd = PPPIOCSACTIVE;
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return sys_ioctl(fd, cmd, (unsigned long) u_fprog64);
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return do_ioctl(file, cmd, (unsigned long) u_fprog64);
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}
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struct ppp_option_data32 {
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@ -451,7 +472,7 @@ struct ppp_idle32 {
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};
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#define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
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static int ppp_gidle(unsigned int fd, unsigned int cmd,
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static int ppp_gidle(struct file *file, unsigned int cmd,
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struct ppp_idle32 __user *idle32)
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{
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struct ppp_idle __user *idle;
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@ -460,7 +481,7 @@ static int ppp_gidle(unsigned int fd, unsigned int cmd,
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idle = compat_alloc_user_space(sizeof(*idle));
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err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle);
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err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
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if (!err) {
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if (get_user(xmit, &idle->xmit_idle) ||
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@ -472,7 +493,7 @@ static int ppp_gidle(unsigned int fd, unsigned int cmd,
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return err;
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}
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static int ppp_scompress(unsigned int fd, unsigned int cmd,
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static int ppp_scompress(struct file *file, unsigned int cmd,
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struct ppp_option_data32 __user *odata32)
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{
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struct ppp_option_data __user *odata;
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@ -492,7 +513,7 @@ static int ppp_scompress(unsigned int fd, unsigned int cmd,
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sizeof(__u32) + sizeof(int)))
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return -EFAULT;
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return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata);
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return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
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}
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#ifdef CONFIG_BLOCK
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@ -512,12 +533,13 @@ struct mtpos32 {
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};
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#define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
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static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp)
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static int mt_ioctl_trans(struct file *file,
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unsigned int cmd, void __user *argp)
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{
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mm_segment_t old_fs = get_fs();
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struct mtget get;
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/* NULL initialization to make gcc shut up */
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struct mtget __user *get = NULL;
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struct mtget32 __user *umget32;
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struct mtpos pos;
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struct mtpos __user *pos = NULL;
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struct mtpos32 __user *upos32;
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unsigned long kcmd;
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void *karg;
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@ -526,32 +548,34 @@ static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp)
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switch(cmd) {
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case MTIOCPOS32:
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kcmd = MTIOCPOS;
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karg = &pos;
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pos = compat_alloc_user_space(sizeof(*pos));
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karg = pos;
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break;
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default: /* MTIOCGET32 */
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kcmd = MTIOCGET;
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karg = &get;
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get = compat_alloc_user_space(sizeof(*get));
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karg = get;
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break;
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}
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set_fs (KERNEL_DS);
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err = sys_ioctl (fd, kcmd, (unsigned long)karg);
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set_fs (old_fs);
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if (karg == NULL)
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return -EFAULT;
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err = do_ioctl(file, kcmd, (unsigned long)karg);
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if (err)
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return err;
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switch (cmd) {
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case MTIOCPOS32:
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upos32 = argp;
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err = __put_user(pos.mt_blkno, &upos32->mt_blkno);
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err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno);
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break;
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case MTIOCGET32:
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umget32 = argp;
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err = __put_user(get.mt_type, &umget32->mt_type);
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err |= __put_user(get.mt_resid, &umget32->mt_resid);
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err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg);
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err |= __put_user(get.mt_gstat, &umget32->mt_gstat);
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err |= __put_user(get.mt_erreg, &umget32->mt_erreg);
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err |= __put_user(get.mt_fileno, &umget32->mt_fileno);
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err |= __put_user(get.mt_blkno, &umget32->mt_blkno);
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err = convert_in_user(&get->mt_type, &umget32->mt_type);
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err |= convert_in_user(&get->mt_resid, &umget32->mt_resid);
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err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg);
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err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat);
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err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg);
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err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno);
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err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno);
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break;
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}
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return err ? -EFAULT: 0;
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@ -605,42 +629,41 @@ struct serial_struct32 {
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compat_int_t reserved[1];
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};
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static int serial_struct_ioctl(unsigned fd, unsigned cmd,
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struct serial_struct32 __user *ss32)
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static int serial_struct_ioctl(struct file *file,
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unsigned cmd, struct serial_struct32 __user *ss32)
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{
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typedef struct serial_struct32 SS32;
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int err;
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struct serial_struct ss;
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mm_segment_t oldseg = get_fs();
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struct serial_struct __user *ss = compat_alloc_user_space(sizeof(*ss));
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__u32 udata;
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unsigned int base;
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unsigned char *iomem_base;
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|
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if (ss == NULL)
|
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return -EFAULT;
|
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if (cmd == TIOCSSERIAL) {
|
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if (!access_ok(VERIFY_READ, ss32, sizeof(SS32)))
|
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if (copy_in_user(ss, ss32, offsetof(SS32, iomem_base)) ||
|
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get_user(udata, &ss32->iomem_base))
|
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return -EFAULT;
|
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if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base)))
|
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iomem_base = compat_ptr(udata);
|
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if (put_user(iomem_base, &ss->iomem_base) ||
|
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convert_in_user(&ss32->iomem_reg_shift,
|
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&ss->iomem_reg_shift) ||
|
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convert_in_user(&ss32->port_high, &ss->port_high) ||
|
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put_user(0UL, &ss->iomap_base))
|
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return -EFAULT;
|
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if (__get_user(udata, &ss32->iomem_base))
|
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return -EFAULT;
|
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ss.iomem_base = compat_ptr(udata);
|
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if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
|
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__get_user(ss.port_high, &ss32->port_high))
|
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return -EFAULT;
|
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ss.iomap_base = 0UL;
|
||||
}
|
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set_fs(KERNEL_DS);
|
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err = sys_ioctl(fd,cmd,(unsigned long)(&ss));
|
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set_fs(oldseg);
|
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err = do_ioctl(file, cmd, (unsigned long)ss);
|
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if (cmd == TIOCGSERIAL && err >= 0) {
|
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if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32)))
|
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if (copy_in_user(ss32, ss, offsetof(SS32, iomem_base)) ||
|
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get_user(iomem_base, &ss->iomem_base))
|
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return -EFAULT;
|
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if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base)))
|
||||
return -EFAULT;
|
||||
base = (unsigned long)ss.iomem_base >> 32 ?
|
||||
0xffffffff : (unsigned)(unsigned long)ss.iomem_base;
|
||||
if (__put_user(base, &ss32->iomem_base) ||
|
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__put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
|
||||
__put_user(ss.port_high, &ss32->port_high))
|
||||
base = (unsigned long)iomem_base >> 32 ?
|
||||
0xffffffff : (unsigned)(unsigned long)iomem_base;
|
||||
if (put_user(base, &ss32->iomem_base) ||
|
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convert_in_user(&ss->iomem_reg_shift,
|
||||
&ss32->iomem_reg_shift) ||
|
||||
convert_in_user(&ss->port_high, &ss32->port_high))
|
||||
return -EFAULT;
|
||||
}
|
||||
return err;
|
||||
@ -674,8 +697,8 @@ struct i2c_rdwr_aligned {
|
||||
struct i2c_msg msgs[0];
|
||||
};
|
||||
|
||||
static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
|
||||
struct i2c_rdwr_ioctl_data32 __user *udata)
|
||||
static int do_i2c_rdwr_ioctl(struct file *file,
|
||||
unsigned int cmd, struct i2c_rdwr_ioctl_data32 __user *udata)
|
||||
{
|
||||
struct i2c_rdwr_aligned __user *tdata;
|
||||
struct i2c_msg __user *tmsgs;
|
||||
@ -708,11 +731,11 @@ static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
|
||||
put_user(compat_ptr(datap), &tmsgs[i].buf))
|
||||
return -EFAULT;
|
||||
}
|
||||
return sys_ioctl(fd, cmd, (unsigned long)tdata);
|
||||
return do_ioctl(file, cmd, (unsigned long)tdata);
|
||||
}
|
||||
|
||||
static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
|
||||
struct i2c_smbus_ioctl_data32 __user *udata)
|
||||
static int do_i2c_smbus_ioctl(struct file *file,
|
||||
unsigned int cmd, struct i2c_smbus_ioctl_data32 __user *udata)
|
||||
{
|
||||
struct i2c_smbus_ioctl_data __user *tdata;
|
||||
compat_caddr_t datap;
|
||||
@ -734,7 +757,7 @@ static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
|
||||
__put_user(compat_ptr(datap), &tdata->data))
|
||||
return -EFAULT;
|
||||
|
||||
return sys_ioctl(fd, cmd, (unsigned long)tdata);
|
||||
return do_ioctl(file, cmd, (unsigned long)tdata);
|
||||
}
|
||||
|
||||
#define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t)
|
||||
@ -742,29 +765,27 @@ static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd,
|
||||
#define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t)
|
||||
#define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t)
|
||||
|
||||
static int rtc_ioctl(unsigned fd, unsigned cmd, void __user *argp)
|
||||
static int rtc_ioctl(struct file *file,
|
||||
unsigned cmd, void __user *argp)
|
||||
{
|
||||
mm_segment_t oldfs = get_fs();
|
||||
compat_ulong_t val32;
|
||||
unsigned long kval;
|
||||
unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
|
||||
int ret;
|
||||
|
||||
if (valp == NULL)
|
||||
return -EFAULT;
|
||||
switch (cmd) {
|
||||
case RTC_IRQP_READ32:
|
||||
case RTC_EPOCH_READ32:
|
||||
set_fs(KERNEL_DS);
|
||||
ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ?
|
||||
ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
|
||||
RTC_IRQP_READ : RTC_EPOCH_READ,
|
||||
(unsigned long)&kval);
|
||||
set_fs(oldfs);
|
||||
(unsigned long)valp);
|
||||
if (ret)
|
||||
return ret;
|
||||
val32 = kval;
|
||||
return put_user(val32, (unsigned int __user *)argp);
|
||||
return convert_in_user(valp, (unsigned int __user *)argp);
|
||||
case RTC_IRQP_SET32:
|
||||
return sys_ioctl(fd, RTC_IRQP_SET, (unsigned long)argp);
|
||||
return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
|
||||
case RTC_EPOCH_SET32:
|
||||
return sys_ioctl(fd, RTC_EPOCH_SET, (unsigned long)argp);
|
||||
return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
|
||||
}
|
||||
|
||||
return -ENOIOCTLCMD;
|
||||
@ -1436,53 +1457,53 @@ IGNORE_IOCTL(FBIOGCURSOR32)
|
||||
* a compat_ioctl operation in the place that handleѕ the
|
||||
* ioctl for the native case.
|
||||
*/
|
||||
static long do_ioctl_trans(int fd, unsigned int cmd,
|
||||
static long do_ioctl_trans(unsigned int cmd,
|
||||
unsigned long arg, struct file *file)
|
||||
{
|
||||
void __user *argp = compat_ptr(arg);
|
||||
|
||||
switch (cmd) {
|
||||
case PPPIOCGIDLE32:
|
||||
return ppp_gidle(fd, cmd, argp);
|
||||
return ppp_gidle(file, cmd, argp);
|
||||
case PPPIOCSCOMPRESS32:
|
||||
return ppp_scompress(fd, cmd, argp);
|
||||
return ppp_scompress(file, cmd, argp);
|
||||
case PPPIOCSPASS32:
|
||||
case PPPIOCSACTIVE32:
|
||||
return ppp_sock_fprog_ioctl_trans(fd, cmd, argp);
|
||||
return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
|
||||
#ifdef CONFIG_BLOCK
|
||||
case SG_IO:
|
||||
return sg_ioctl_trans(fd, cmd, argp);
|
||||
return sg_ioctl_trans(file, cmd, argp);
|
||||
case SG_GET_REQUEST_TABLE:
|
||||
return sg_grt_trans(fd, cmd, argp);
|
||||
return sg_grt_trans(file, cmd, argp);
|
||||
case MTIOCGET32:
|
||||
case MTIOCPOS32:
|
||||
return mt_ioctl_trans(fd, cmd, argp);
|
||||
return mt_ioctl_trans(file, cmd, argp);
|
||||
#endif
|
||||
/* Serial */
|
||||
case TIOCGSERIAL:
|
||||
case TIOCSSERIAL:
|
||||
return serial_struct_ioctl(fd, cmd, argp);
|
||||
return serial_struct_ioctl(file, cmd, argp);
|
||||
/* i2c */
|
||||
case I2C_FUNCS:
|
||||
return w_long(fd, cmd, argp);
|
||||
return w_long(file, cmd, argp);
|
||||
case I2C_RDWR:
|
||||
return do_i2c_rdwr_ioctl(fd, cmd, argp);
|
||||
return do_i2c_rdwr_ioctl(file, cmd, argp);
|
||||
case I2C_SMBUS:
|
||||
return do_i2c_smbus_ioctl(fd, cmd, argp);
|
||||
return do_i2c_smbus_ioctl(file, cmd, argp);
|
||||
/* Not implemented in the native kernel */
|
||||
case RTC_IRQP_READ32:
|
||||
case RTC_IRQP_SET32:
|
||||
case RTC_EPOCH_READ32:
|
||||
case RTC_EPOCH_SET32:
|
||||
return rtc_ioctl(fd, cmd, argp);
|
||||
return rtc_ioctl(file, cmd, argp);
|
||||
|
||||
/* dvb */
|
||||
case VIDEO_GET_EVENT:
|
||||
return do_video_get_event(fd, cmd, argp);
|
||||
return do_video_get_event(file, cmd, argp);
|
||||
case VIDEO_STILLPICTURE:
|
||||
return do_video_stillpicture(fd, cmd, argp);
|
||||
return do_video_stillpicture(file, cmd, argp);
|
||||
case VIDEO_SET_SPU_PALETTE:
|
||||
return do_video_set_spu_palette(fd, cmd, argp);
|
||||
return do_video_set_spu_palette(file, cmd, argp);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -1513,7 +1534,7 @@ static long do_ioctl_trans(int fd, unsigned int cmd,
|
||||
case NBD_SET_BLKSIZE:
|
||||
case NBD_SET_SIZE:
|
||||
case NBD_SET_SIZE_BLOCKS:
|
||||
return do_vfs_ioctl(file, fd, cmd, arg);
|
||||
return vfs_ioctl(file, cmd, arg);
|
||||
}
|
||||
|
||||
return -ENOIOCTLCMD;
|
||||
@ -1602,7 +1623,7 @@ COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
|
||||
if (compat_ioctl_check_table(XFORM(cmd)))
|
||||
goto found_handler;
|
||||
|
||||
error = do_ioctl_trans(fd, cmd, arg, f.file);
|
||||
error = do_ioctl_trans(cmd, arg, f.file);
|
||||
if (error == -ENOIOCTLCMD)
|
||||
error = -ENOTTY;
|
||||
|
||||
|
||||
@ -151,3 +151,10 @@ extern void mnt_pin_kill(struct mount *m);
|
||||
* fs/nsfs.c
|
||||
*/
|
||||
extern struct dentry_operations ns_dentry_operations;
|
||||
|
||||
/*
|
||||
* fs/ioctl.c
|
||||
*/
|
||||
extern int do_vfs_ioctl(struct file *file, unsigned int fd, unsigned int cmd,
|
||||
unsigned long arg);
|
||||
extern long vfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
|
||||
|
||||
@ -15,6 +15,7 @@
|
||||
#include <linux/writeback.h>
|
||||
#include <linux/buffer_head.h>
|
||||
#include <linux/falloc.h>
|
||||
#include "internal.h"
|
||||
|
||||
#include <asm/ioctls.h>
|
||||
|
||||
@ -32,8 +33,7 @@
|
||||
*
|
||||
* Returns 0 on success, -errno on error.
|
||||
*/
|
||||
static long vfs_ioctl(struct file *filp, unsigned int cmd,
|
||||
unsigned long arg)
|
||||
long vfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
|
||||
{
|
||||
int error = -ENOTTY;
|
||||
|
||||
|
||||
@ -2764,8 +2764,6 @@ extern int vfs_lstat(const char __user *, struct kstat *);
|
||||
extern int vfs_fstat(unsigned int, struct kstat *);
|
||||
extern int vfs_fstatat(int , const char __user *, struct kstat *, int);
|
||||
|
||||
extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
|
||||
unsigned long arg);
|
||||
extern int __generic_block_fiemap(struct inode *inode,
|
||||
struct fiemap_extent_info *fieinfo,
|
||||
loff_t start, loff_t len,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user