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[PATCH] Transform kmem_cache_alloc()+memset(0) -> kmem_cache_zalloc().

Browse Source 
Replace appropriate pairs of "kmem_cache_alloc()" + "memset(0)" with the
corresponding "kmem_cache_zalloc()" call.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Andi Kleen <ak@muc.de>
Cc: Roland McGrath <roland@redhat.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: Greg KH <greg@kroah.com>
Acked-by: Joel Becker <Joel.Becker@oracle.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Jan Kara <jack@ucw.cz>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: James Morris <jmorris@namei.org>
Cc: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Robert P. J. Day 2007-02-10 01:45:03 -08:00 committed by Linus Torvalds
parent 1b135431ab
commit c376222960
39 changed files with 48 additions and 103 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
arch/ia64/ia32/binfmt_elf32.c
View File

@ -91,9 +91,8 @@ ia64_elf32_init (struct pt_regs *regs)
* it with privilege level 3 because the IVE uses non-privileged accesses to these
* tables. IA-32 segmentation is used to protect against IA-32 accesses to them.
*/
vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
vma->vm_start = IA32_GDT_OFFSET;
vma->vm_end = vma->vm_start + PAGE_SIZE;
@ -117,9 +116,8 @@ ia64_elf32_init (struct pt_regs *regs)
* code is locked in specific gate page, which is pointed by pretcode
* when setup_frame_ia32
*/
vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
vma->vm_start = IA32_GATE_OFFSET;
vma->vm_end = vma->vm_start + PAGE_SIZE;
@ -142,9 +140,8 @@ ia64_elf32_init (struct pt_regs *regs)
* Install LDT as anonymous memory. This gives us all-zero segment descriptors
* until a task modifies them via modify_ldt().
*/
vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
vma->vm_start = IA32_LDT_OFFSET;
vma->vm_end = vma->vm_start + PAGE_ALIGN(IA32_LDT_ENTRIES*IA32_LDT_ENTRY_SIZE);
@ -214,12 +211,10 @@ ia32_setup_arg_pages (struct linux_binprm *bprm, int executable_stack)
bprm->loader += stack_base;
bprm->exec += stack_base;
mpnt = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (!mpnt)
return -ENOMEM;
memset(mpnt, 0, sizeof(*mpnt));
down_write(&current->mm->mmap_sem);
{
mpnt->vm_mm = current->mm;

3
arch/ia64/kernel/perfmon.c
View File

@ -2301,12 +2301,11 @@ pfm_smpl_buffer_alloc(struct task_struct *task, pfm_context_t *ctx, unsigned lon
DPRINT(("smpl_buf @%p\n", smpl_buf));
/* allocate vma */
vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (!vma) {
DPRINT(("Cannot allocate vma\n"));
goto error_kmem;
}
memset(vma, 0, sizeof(*vma));
/*
* partially initialize the vma for the sampling buffer

6
arch/ia64/mm/init.c
View File

@ -176,9 +176,8 @@ ia64_init_addr_space (void)
* the problem. When the process attempts to write to the register backing store
* for the first time, it will get a SEGFAULT in this case.
*/
vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
vma->vm_start = current->thread.rbs_bot & PAGE_MASK;
vma->vm_end = vma->vm_start + PAGE_SIZE;
@ -195,9 +194,8 @@ ia64_init_addr_space (void)
/* map NaT-page at address zero to speed up speculative dereferencing of NULL: */
if (!(current->personality & MMAP_PAGE_ZERO)) {
vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
vma->vm_end = PAGE_SIZE;
vma->vm_page_prot = __pgprot(pgprot_val(PAGE_READONLY) | _PAGE_MA_NAT);

4
arch/x86_64/ia32/ia32_binfmt.c
View File

@ -300,12 +300,10 @@ int ia32_setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top,
bprm->loader += stack_base;
bprm->exec += stack_base;
mpnt = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (!mpnt)
return -ENOMEM;
memset(mpnt, 0, sizeof(*mpnt));
down_write(&mm->mmap_sem);
{
mpnt->vm_mm = mm;

3
drivers/infiniband/hw/ehca/ehca_cq.c
View File

@ -134,14 +134,13 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe,
if (cqe >= 0xFFFFFFFF - 64 - additional_cqe)
return ERR_PTR(-EINVAL);
my_cq = kmem_cache_alloc(cq_cache, GFP_KERNEL);
my_cq = kmem_cache_zalloc(cq_cache, GFP_KERNEL);
if (!my_cq) {
ehca_err(device, "Out of memory for ehca_cq struct device=%p",
device);
return ERR_PTR(-ENOMEM);
}
memset(my_cq, 0, sizeof(struct ehca_cq));
memset(&param, 0, sizeof(struct ehca_alloc_cq_parms));
spin_lock_init(&my_cq->spinlock);

6
drivers/infiniband/hw/ehca/ehca_mrmw.c
View File

@ -53,9 +53,8 @@ static struct ehca_mr *ehca_mr_new(void)
{
struct ehca_mr *me;
me = kmem_cache_alloc(mr_cache, GFP_KERNEL);
me = kmem_cache_zalloc(mr_cache, GFP_KERNEL);
if (me) {
memset(me, 0, sizeof(struct ehca_mr));
spin_lock_init(&me->mrlock);
} else
ehca_gen_err("alloc failed");
@ -72,9 +71,8 @@ static struct ehca_mw *ehca_mw_new(void)
{
struct ehca_mw *me;
me = kmem_cache_alloc(mw_cache, GFP_KERNEL);
me = kmem_cache_zalloc(mw_cache, GFP_KERNEL);
if (me) {
memset(me, 0, sizeof(struct ehca_mw));
spin_lock_init(&me->mwlock);
} else
ehca_gen_err("alloc failed");

3
drivers/infiniband/hw/ehca/ehca_pd.c
View File

@ -50,14 +50,13 @@ struct ib_pd *ehca_alloc_pd(struct ib_device *device,
{
struct ehca_pd *pd;
pd = kmem_cache_alloc(pd_cache, GFP_KERNEL);
pd = kmem_cache_zalloc(pd_cache, GFP_KERNEL);
if (!pd) {
ehca_err(device, "device=%p context=%p out of memory",
device, context);
return ERR_PTR(-ENOMEM);
}
memset(pd, 0, sizeof(struct ehca_pd));
pd->ownpid = current->tgid;
/*

3
drivers/infiniband/hw/ehca/ehca_qp.c
View File

@ -450,13 +450,12 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd,
if (pd->uobject && udata)
context = pd->uobject->context;
my_qp = kmem_cache_alloc(qp_cache, GFP_KERNEL);
my_qp = kmem_cache_zalloc(qp_cache, GFP_KERNEL);
if (!my_qp) {
ehca_err(pd->device, "pd=%p not enough memory to alloc qp", pd);
return ERR_PTR(-ENOMEM);
}
memset(my_qp, 0, sizeof(struct ehca_qp));
memset (&parms, 0, sizeof(struct ehca_alloc_qp_parms));
spin_lock_init(&my_qp->spinlock_s);
spin_lock_init(&my_qp->spinlock_r);

3
drivers/scsi/aic94xx/aic94xx_hwi.c
View File

@ -1052,10 +1052,9 @@ static inline struct asd_ascb *asd_ascb_alloc(struct asd_ha_struct *asd_ha,
struct asd_ascb *ascb;
unsigned long flags;
ascb = kmem_cache_alloc(asd_ascb_cache, gfp_flags);
ascb = kmem_cache_zalloc(asd_ascb_cache, gfp_flags);
if (ascb) {
memset(ascb, 0, sizeof(*ascb));
ascb->dma_scb.size = sizeof(struct scb);
ascb->dma_scb.vaddr = dma_pool_alloc(asd_ha->scb_pool,
gfp_flags,

3
drivers/scsi/scsi_lib.c
View File

@ -388,10 +388,9 @@ int scsi_execute_async(struct scsi_device *sdev, const unsigned char *cmd,
int err = 0;
int write = (data_direction == DMA_TO_DEVICE);
sioc = kmem_cache_alloc(scsi_io_context_cache, gfp);
sioc = kmem_cache_zalloc(scsi_io_context_cache, gfp);
if (!sioc)
return DRIVER_ERROR << 24;
memset(sioc, 0, sizeof(*sioc));
req = blk_get_request(sdev->request_queue, write, gfp);
if (!req)

3
drivers/usb/host/hc_crisv10.c
View File

@ -2163,9 +2163,8 @@ static void etrax_usb_add_to_bulk_sb_list(struct urb *urb, int epid)
maxlen = usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe));
sb_desc = (USB_SB_Desc_t*)kmem_cache_alloc(usb_desc_cache, SLAB_FLAG);
sb_desc = kmem_cache_zalloc(usb_desc_cache, SLAB_FLAG);
assert(sb_desc != NULL);
memset(sb_desc, 0, sizeof(USB_SB_Desc_t));
if (usb_pipeout(urb->pipe)) {

4
drivers/usb/host/uhci-q.c
View File

@ -624,12 +624,10 @@ static inline struct urb_priv *uhci_alloc_urb_priv(struct uhci_hcd *uhci,
{
struct urb_priv *urbp;
urbp = kmem_cache_alloc(uhci_up_cachep, GFP_ATOMIC);
urbp = kmem_cache_zalloc(uhci_up_cachep, GFP_ATOMIC);
if (!urbp)
return NULL;
memset((void *)urbp, 0, sizeof(*urbp));
urbp->urb = urb;
urb->hcpriv = urbp;

3
fs/aio.c
View File

@ -211,11 +211,10 @@ static struct kioctx *ioctx_alloc(unsigned nr_events)
if ((unsigned long)nr_events > aio_max_nr)
return ERR_PTR(-EAGAIN);
ctx = kmem_cache_alloc(kioctx_cachep, GFP_KERNEL);
ctx = kmem_cache_zalloc(kioctx_cachep, GFP_KERNEL);
if (!ctx)
return ERR_PTR(-ENOMEM);
memset(ctx, 0, sizeof(*ctx));
ctx->max_reqs = nr_events;
mm = ctx->mm = current->mm;
atomic_inc(&mm->mm_count);

3
fs/configfs/dir.c
View File

@ -72,11 +72,10 @@ static struct configfs_dirent *configfs_new_dirent(struct configfs_dirent * pare
{
struct configfs_dirent * sd;
sd = kmem_cache_alloc(configfs_dir_cachep, GFP_KERNEL);
sd = kmem_cache_zalloc(configfs_dir_cachep, GFP_KERNEL);
if (!sd)
return NULL;
memset(sd, 0, sizeof(*sd));
atomic_set(&sd->s_count, 1);
INIT_LIST_HEAD(&sd->s_links);
INIT_LIST_HEAD(&sd->s_children);

4
fs/dlm/memory.c
View File

@ -76,9 +76,7 @@ struct dlm_lkb *allocate_lkb(struct dlm_ls *ls)
{
struct dlm_lkb *lkb;
lkb = kmem_cache_alloc(lkb_cache, GFP_KERNEL);
if (lkb)
memset(lkb, 0, sizeof(*lkb));
lkb = kmem_cache_zalloc(lkb_cache, GFP_KERNEL);
return lkb;
}

3
fs/dquot.c
View File

@ -600,11 +600,10 @@ static struct dquot *get_empty_dquot(struct super_block *sb, int type)
{
struct dquot *dquot;
dquot = kmem_cache_alloc(dquot_cachep, GFP_NOFS);
dquot = kmem_cache_zalloc(dquot_cachep, GFP_NOFS);
if(!dquot)
return NODQUOT;
memset((caddr_t)dquot, 0, sizeof(struct dquot));
mutex_init(&dquot->dq_lock);
INIT_LIST_HEAD(&dquot->dq_free);
INIT_LIST_HEAD(&dquot->dq_inuse);

4
fs/ecryptfs/crypto.c
View File

@ -1332,13 +1332,13 @@ int ecryptfs_write_headers(struct dentry *ecryptfs_dentry,
goto out;
}
/* Released in this function */
page_virt = kmem_cache_alloc(ecryptfs_header_cache_0, GFP_USER);
page_virt = kmem_cache_zalloc(ecryptfs_header_cache_0, GFP_USER);
if (!page_virt) {
ecryptfs_printk(KERN_ERR, "Out of memory\n");
rc = -ENOMEM;
goto out;
}
memset(page_virt, 0, PAGE_CACHE_SIZE);
rc = ecryptfs_write_headers_virt(page_virt, crypt_stat,
ecryptfs_dentry);
if (unlikely(rc)) {

3
fs/ecryptfs/file.c
View File

@ -251,7 +251,7 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
int lower_flags;
/* Released in ecryptfs_release or end of function if failure */
file_info = kmem_cache_alloc(ecryptfs_file_info_cache, GFP_KERNEL);
file_info = kmem_cache_zalloc(ecryptfs_file_info_cache, GFP_KERNEL);
ecryptfs_set_file_private(file, file_info);
if (!file_info) {
ecryptfs_printk(KERN_ERR,
@ -259,7 +259,6 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
rc = -ENOMEM;
goto out;
}
memset(file_info, 0, sizeof(*file_info));
lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry);
crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat;
mount_crypt_stat = &ecryptfs_superblock_to_private(

5
fs/ecryptfs/inode.c
View File

@ -361,8 +361,7 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry,
goto out;
}
/* Released in this function */
page_virt =
(char *)kmem_cache_alloc(ecryptfs_header_cache_2,
page_virt = kmem_cache_zalloc(ecryptfs_header_cache_2,
GFP_USER);
if (!page_virt) {
rc = -ENOMEM;
@ -370,7 +369,7 @@ static struct dentry *ecryptfs_lookup(struct inode *dir, struct dentry *dentry,
"Cannot ecryptfs_kmalloc a page\n");
goto out_dput;
}
memset(page_virt, 0, PAGE_CACHE_SIZE);
rc = ecryptfs_read_header_region(page_virt, lower_dentry, nd->mnt);
crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat;
if (!ECRYPTFS_CHECK_FLAG(crypt_stat->flags, ECRYPTFS_POLICY_APPLIED))

4
fs/ecryptfs/keystore.c
View File

@ -207,14 +207,12 @@ parse_tag_3_packet(struct ecryptfs_crypt_stat *crypt_stat,
/* Released: wipe_auth_tok_list called in ecryptfs_parse_packet_set or
* at end of function upon failure */
auth_tok_list_item =
kmem_cache_alloc(ecryptfs_auth_tok_list_item_cache, GFP_KERNEL);
kmem_cache_zalloc(ecryptfs_auth_tok_list_item_cache, GFP_KERNEL);
if (!auth_tok_list_item) {
ecryptfs_printk(KERN_ERR, "Unable to allocate memory\n");
rc = -ENOMEM;
goto out;
}
memset(auth_tok_list_item, 0,
sizeof(struct ecryptfs_auth_tok_list_item));
(*new_auth_tok) = &auth_tok_list_item->auth_tok;
/* check for body size - one to two bytes */

8
fs/ecryptfs/main.c
View File

@ -378,15 +378,13 @@ ecryptfs_fill_super(struct super_block *sb, void *raw_data, int silent)
/* Released in ecryptfs_put_super() */
ecryptfs_set_superblock_private(sb,
kmem_cache_alloc(ecryptfs_sb_info_cache,
kmem_cache_zalloc(ecryptfs_sb_info_cache,
GFP_KERNEL));
if (!ecryptfs_superblock_to_private(sb)) {
ecryptfs_printk(KERN_WARNING, "Out of memory\n");
rc = -ENOMEM;
goto out;
}
memset(ecryptfs_superblock_to_private(sb), 0,
sizeof(struct ecryptfs_sb_info));
sb->s_op = &ecryptfs_sops;
/* Released through deactivate_super(sb) from get_sb_nodev */
sb->s_root = d_alloc(NULL, &(const struct qstr) {
@ -402,7 +400,7 @@ ecryptfs_fill_super(struct super_block *sb, void *raw_data, int silent)
/* Released in d_release when dput(sb->s_root) is called */
/* through deactivate_super(sb) from get_sb_nodev() */
ecryptfs_set_dentry_private(sb->s_root,
kmem_cache_alloc(ecryptfs_dentry_info_cache,
kmem_cache_zalloc(ecryptfs_dentry_info_cache,
GFP_KERNEL));
if (!ecryptfs_dentry_to_private(sb->s_root)) {
ecryptfs_printk(KERN_ERR,
@ -410,8 +408,6 @@ ecryptfs_fill_super(struct super_block *sb, void *raw_data, int silent)
rc = -ENOMEM;
goto out;
}
memset(ecryptfs_dentry_to_private(sb->s_root), 0,
sizeof(struct ecryptfs_dentry_info));
rc = 0;
out:
/* Should be able to rely on deactivate_super called from

4
fs/exec.c
View File

@ -405,12 +405,10 @@ int setup_arg_pages(struct linux_binprm *bprm,
bprm->loader += stack_base;
bprm->exec += stack_base;
mpnt = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (!mpnt)
return -ENOMEM;
memset(mpnt, 0, sizeof(*mpnt));
down_write(&mm->mmap_sem);
{
mpnt->vm_mm = mm;

3
fs/gfs2/meta_io.c
View File

@ -282,8 +282,7 @@ void gfs2_attach_bufdata(struct gfs2_glock *gl, struct buffer_head *bh,
return;
}
bd = kmem_cache_alloc(gfs2_bufdata_cachep, GFP_NOFS | __GFP_NOFAIL),
memset(bd, 0, sizeof(struct gfs2_bufdata));
bd = kmem_cache_zalloc(gfs2_bufdata_cachep, GFP_NOFS | __GFP_NOFAIL),
bd->bd_bh = bh;
bd->bd_gl = gl;

3
fs/namespace.c
View File

@ -53,9 +53,8 @@ static inline unsigned long hash(struct vfsmount *mnt, struct dentry *dentry)
struct vfsmount *alloc_vfsmnt(const char *name)
{
struct vfsmount *mnt = kmem_cache_alloc(mnt_cache, GFP_KERNEL);
struct vfsmount *mnt = kmem_cache_zalloc(mnt_cache, GFP_KERNEL);
if (mnt) {
memset(mnt, 0, sizeof(struct vfsmount));
atomic_set(&mnt->mnt_count, 1);
INIT_LIST_HEAD(&mnt->mnt_hash);
INIT_LIST_HEAD(&mnt->mnt_child);

3
fs/smbfs/request.c
View File

@ -61,7 +61,7 @@ static struct smb_request *smb_do_alloc_request(struct smb_sb_info *server,
struct smb_request *req;
unsigned char *buf = NULL;
req = kmem_cache_alloc(req_cachep, GFP_KERNEL);
req = kmem_cache_zalloc(req_cachep, GFP_KERNEL);
VERBOSE("allocating request: %p\n", req);
if (!req)
goto out;
@ -74,7 +74,6 @@ static struct smb_request *smb_do_alloc_request(struct smb_sb_info *server,
}
}
memset(req, 0, sizeof(struct smb_request));
req->rq_buffer = buf;
req->rq_bufsize = bufsize;
req->rq_server = server;

3
fs/sysfs/dir.c
View File

@ -37,11 +37,10 @@ static struct sysfs_dirent * __sysfs_new_dirent(void * element)
{
struct sysfs_dirent * sd;
sd = kmem_cache_alloc(sysfs_dir_cachep, GFP_KERNEL);
sd = kmem_cache_zalloc(sysfs_dir_cachep, GFP_KERNEL);
if (!sd)
return NULL;
memset(sd, 0, sizeof(*sd));
atomic_set(&sd->s_count, 1);
atomic_set(&sd->s_event, 1);
INIT_LIST_HEAD(&sd->s_children);

3
include/scsi/libsas.h
View File

@ -558,10 +558,9 @@ struct sas_task {
static inline struct sas_task *sas_alloc_task(gfp_t flags)
{
extern struct kmem_cache *sas_task_cache;
struct sas_task *task = kmem_cache_alloc(sas_task_cache, flags);
struct sas_task *task = kmem_cache_zalloc(sas_task_cache, flags);
if (task) {
memset(task, 0, sizeof(*task));
INIT_LIST_HEAD(&task->list);
spin_lock_init(&task->task_state_lock);
task->task_state_flags = SAS_TASK_STATE_PENDING;

3
kernel/posix-timers.c
View File

@ -399,10 +399,9 @@ EXPORT_SYMBOL_GPL(register_posix_clock);
static struct k_itimer * alloc_posix_timer(void)
{
struct k_itimer *tmr;
tmr = kmem_cache_alloc(posix_timers_cache, GFP_KERNEL);
tmr = kmem_cache_zalloc(posix_timers_cache, GFP_KERNEL);
if (!tmr)
return tmr;
memset(tmr, 0, sizeof (struct k_itimer));
if (unlikely(!(tmr->sigq = sigqueue_alloc()))) {
kmem_cache_free(posix_timers_cache, tmr);
tmr = NULL;

3
net/core/dst.c
View File

@ -132,10 +132,9 @@ void * dst_alloc(struct dst_ops * ops)
if (ops->gc())
return NULL;
}
dst = kmem_cache_alloc(ops->kmem_cachep, GFP_ATOMIC);
dst = kmem_cache_zalloc(ops->kmem_cachep, GFP_ATOMIC);
if (!dst)
return NULL;
memset(dst, 0, ops->entry_size);
atomic_set(&dst->__refcnt, 0);
dst->ops = ops;
dst->lastuse = jiffies;

4
net/core/neighbour.c
View File

@ -251,12 +251,10 @@ static struct neighbour *neigh_alloc(struct neigh_table *tbl)
goto out_entries;
}
n = kmem_cache_alloc(tbl->kmem_cachep, GFP_ATOMIC);
n = kmem_cache_zalloc(tbl->kmem_cachep, GFP_ATOMIC);
if (!n)
goto out_entries;
memset(n, 0, tbl->entry_size);
skb_queue_head_init(&n->arp_queue);
rwlock_init(&n->lock);
n->updated = n->used = now;

4
net/decnet/dn_table.c
View File

@ -593,12 +593,10 @@ create:
replace:
err = -ENOBUFS;
new_f = kmem_cache_alloc(dn_hash_kmem, GFP_KERNEL);
new_f = kmem_cache_zalloc(dn_hash_kmem, GFP_KERNEL);
if (new_f == NULL)
goto out;
memset(new_f, 0, sizeof(struct dn_fib_node));
new_f->fn_key = key;
new_f->fn_type = type;
new_f->fn_scope = r->rtm_scope;

6
net/ipv4/ipmr.c
View File

@ -479,20 +479,18 @@ static struct mfc_cache *ipmr_cache_find(__be32 origin, __be32 mcastgrp)
*/
static struct mfc_cache *ipmr_cache_alloc(void)
{
struct mfc_cache *c=kmem_cache_alloc(mrt_cachep, GFP_KERNEL);
struct mfc_cache *c=kmem_cache_zalloc(mrt_cachep, GFP_KERNEL);
if(c==NULL)
return NULL;
memset(c, 0, sizeof(*c));
c->mfc_un.res.minvif = MAXVIFS;
return c;
}
static struct mfc_cache *ipmr_cache_alloc_unres(void)
{
struct mfc_cache *c=kmem_cache_alloc(mrt_cachep, GFP_ATOMIC);
struct mfc_cache *c=kmem_cache_zalloc(mrt_cachep, GFP_ATOMIC);
if(c==NULL)
return NULL;
memset(c, 0, sizeof(*c));
skb_queue_head_init(&c->mfc_un.unres.unresolved);
c->mfc_un.unres.expires = jiffies + 10*HZ;
return c;

3
net/ipv4/ipvs/ip_vs_conn.c
View File

@ -603,13 +603,12 @@ ip_vs_conn_new(int proto, __be32 caddr, __be16 cport, __be32 vaddr, __be16 vport
struct ip_vs_conn *cp;
struct ip_vs_protocol *pp = ip_vs_proto_get(proto);
cp = kmem_cache_alloc(ip_vs_conn_cachep, GFP_ATOMIC);
cp = kmem_cache_zalloc(ip_vs_conn_cachep, GFP_ATOMIC);
if (cp == NULL) {
IP_VS_ERR_RL("ip_vs_conn_new: no memory available.\n");
return NULL;
}
memset(cp, 0, sizeof(*cp));
INIT_LIST_HEAD(&cp->c_list);
init_timer(&cp->timer);
cp->timer.data = (unsigned long)cp;

3
net/ipv4/netfilter/ip_conntrack_core.c
View File

@ -638,14 +638,13 @@ struct ip_conntrack *ip_conntrack_alloc(struct ip_conntrack_tuple *orig,
}
}
conntrack = kmem_cache_alloc(ip_conntrack_cachep, GFP_ATOMIC);
conntrack = kmem_cache_zalloc(ip_conntrack_cachep, GFP_ATOMIC);
if (!conntrack) {
DEBUGP("Can't allocate conntrack.\n");
atomic_dec(&ip_conntrack_count);
return ERR_PTR(-ENOMEM);
}
memset(conntrack, 0, sizeof(*conntrack));
atomic_set(&conntrack->ct_general.use, 1);
conntrack->ct_general.destroy = destroy_conntrack;
conntrack->tuplehash[IP_CT_DIR_ORIGINAL].tuple = *orig;

3
net/ipv6/ip6_fib.c
View File

@ -150,8 +150,7 @@ static __inline__ struct fib6_node * node_alloc(void)
{
struct fib6_node *fn;
if ((fn = kmem_cache_alloc(fib6_node_kmem, GFP_ATOMIC)) != NULL)
memset(fn, 0, sizeof(struct fib6_node));
fn = kmem_cache_zalloc(fib6_node_kmem, GFP_ATOMIC);
return fn;
}

3
net/sctp/sm_make_chunk.c
View File

@ -979,11 +979,10 @@ struct sctp_chunk *sctp_chunkify(struct sk_buff *skb,
{
struct sctp_chunk *retval;
retval = kmem_cache_alloc(sctp_chunk_cachep, GFP_ATOMIC);
retval = kmem_cache_zalloc(sctp_chunk_cachep, GFP_ATOMIC);
if (!retval)
goto nodata;
memset(retval, 0, sizeof(struct sctp_chunk));
if (!sk) {
SCTP_DEBUG_PRINTK("chunkifying skb %p w/o an sk\n", skb);

3
security/selinux/avc.c
View File

@ -332,11 +332,10 @@ static struct avc_node *avc_alloc_node(void)
{
struct avc_node *node;
node = kmem_cache_alloc(avc_node_cachep, GFP_ATOMIC);
node = kmem_cache_zalloc(avc_node_cachep, GFP_ATOMIC);
if (!node)
goto out;
memset(node, 0, sizeof(*node));
INIT_RCU_HEAD(&node->rhead);
INIT_LIST_HEAD(&node->list);
atomic_set(&node->ae.used, 1);

3
security/selinux/hooks.c
View File

@ -181,11 +181,10 @@ static int inode_alloc_security(struct inode *inode)
struct task_security_struct *tsec = current->security;
struct inode_security_struct *isec;
isec = kmem_cache_alloc(sel_inode_cache, GFP_KERNEL);
isec = kmem_cache_zalloc(sel_inode_cache, GFP_KERNEL);
if (!isec)
return -ENOMEM;
memset(isec, 0, sizeof(*isec));
mutex_init(&isec->lock);
INIT_LIST_HEAD(&isec->list);
isec->inode = inode;

3
security/selinux/ss/avtab.c
View File

@ -36,10 +36,9 @@ avtab_insert_node(struct avtab *h, int hvalue,
struct avtab_key *key, struct avtab_datum *datum)
{
struct avtab_node * newnode;
newnode = kmem_cache_alloc(avtab_node_cachep, GFP_KERNEL);
newnode = kmem_cache_zalloc(avtab_node_cachep, GFP_KERNEL);
if (newnode == NULL)
return NULL;
memset(newnode, 0, sizeof(struct avtab_node));
newnode->key = *key;
newnode->datum = *datum;
if (prev) {