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usbmon: restore mmap

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Paolo asked to enable the mmap. I kept it off because I'm do not
entirely understand how it workse these days after ->nopage etc.
But it seems like working somewhat at least.

Signed-Off-By: Pete Zaitcev <zaitcev@gmail.com>
Cc: Paolo Abeni <paolo.abeni@email.it>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Pete Zaitcev 2008-03-19 22:29:51 -07:00 committed by Greg Kroah-Hartman
parent d43a05fdc2
commit 454459b02e
2 changed files with 4 additions and 8 deletions
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9
drivers/usb/mon/mon_bin.c
View File

@ -1026,8 +1026,6 @@ mon_bin_poll(struct file *file, struct poll_table_struct *wait)
return mask;
}
#if 0
/*
* open and close: just keep track of how many times the device is
* mapped, to use the proper memory allocation function.
@ -1063,13 +1061,13 @@ static int mon_bin_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
return 0;
}
struct vm_operations_struct mon_bin_vm_ops = {
static struct vm_operations_struct mon_bin_vm_ops = {
.open = mon_bin_vma_open,
.close = mon_bin_vma_close,
.fault = mon_bin_vma_fault,
};
int mon_bin_mmap(struct file *filp, struct vm_area_struct *vma)
static int mon_bin_mmap(struct file *filp, struct vm_area_struct *vma)
{
/* don't do anything here: "fault" will set up page table entries */
vma->vm_ops = &mon_bin_vm_ops;
@ -1079,8 +1077,6 @@ int mon_bin_mmap(struct file *filp, struct vm_area_struct *vma)
return 0;
}
#endif /* 0 */
static const struct file_operations mon_fops_binary = {
.owner = THIS_MODULE,
.open = mon_bin_open,
@ -1090,6 +1086,7 @@ static const struct file_operations mon_fops_binary = {
.poll = mon_bin_poll,
.ioctl = mon_bin_ioctl,
.release = mon_bin_release,
.mmap = mon_bin_mmap,
};
static int mon_bin_wait_event(struct file *file, struct mon_reader_bin *rp)

3
drivers/usb/mon/mon_main.c
View File

@ -129,8 +129,7 @@ static void mon_submit_error(struct usb_bus *ubus, struct urb *urb, int error)
/*
*/
static void mon_bus_complete(struct mon_bus *mbus, struct urb *urb,
int status)
static void mon_bus_complete(struct mon_bus *mbus, struct urb *urb, int status)
{
unsigned long flags;
struct list_head *pos;