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-rw-r--r--fs/aio.c3
-rw-r--r--fs/configfs/dir.c3
-rw-r--r--fs/dlm/memory.c4
-rw-r--r--fs/dquot.c3
-rw-r--r--fs/ecryptfs/crypto.c4
-rw-r--r--fs/ecryptfs/file.c3
-rw-r--r--fs/ecryptfs/inode.c5
-rw-r--r--fs/ecryptfs/keystore.c4
-rw-r--r--fs/ecryptfs/main.c8
-rw-r--r--fs/exec.c4
-rw-r--r--fs/gfs2/meta_io.c3
-rw-r--r--fs/namespace.c3
-rw-r--r--fs/smbfs/request.c3
-rw-r--r--fs/sysfs/dir.c3
14 files changed, 17 insertions, 36 deletions
diff --git a/fs/aio.c b/fs/aio.c
index ee662589e5ec..0b4ee0a5c83e 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -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);
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index 1814ba446809..9371ee209954 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -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);
diff --git a/fs/dlm/memory.c b/fs/dlm/memory.c
index 5352b03ff5aa..f858fef6e41c 100644
--- a/fs/dlm/memory.c
+++ b/fs/dlm/memory.c
@@ -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;
}
diff --git a/fs/dquot.c b/fs/dquot.c
index 0952cc474d9a..a561fb29e203 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -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);
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index a86a55ccf874..75bbfae55081 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -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)) {
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index c5a2e5298f15..779c3477d93c 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -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(
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 11f5e5076aef..d4f02f3e18d7 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -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))
diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
index 745c0f1bfbbd..80bccd5ff8e6 100644
--- a/fs/ecryptfs/keystore.c
+++ b/fs/ecryptfs/keystore.c
@@ -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 */
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index d0541ae8faba..fe41ab1566ee 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -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
diff --git a/fs/exec.c b/fs/exec.c
index 11fe93f7363c..7e36c6f6f538 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -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;
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index 0e34d9918973..e62d4f620c58 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -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;
diff --git a/fs/namespace.c b/fs/namespace.c
index 5ef336c1103c..fd999cab7b57 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -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);
diff --git a/fs/smbfs/request.c b/fs/smbfs/request.c
index a4bcae8a9aff..42261dbdf60f 100644
--- a/fs/smbfs/request.c
+++ b/fs/smbfs/request.c
@@ -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;
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 9dcdf556c99c..9e95e7abaf69 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -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);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.