diff options
| author |   yan <clouds.yan@gmail.com> | 2012-10-04 17:15:43 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-06 03:05:18 +0900 |
| commit | 17baa2a2c40f2f0330d25819b589a515d36b2d40 (patch) | |
| tree | e274bf5906900080e0975ea2196adcf70641f7e1 /fs | |
| parent | proc: no need to initialize proc_inode->fd in proc_get_inode() (diff) | |
| download | linux-dev-17baa2a2c40f2f0330d25819b589a515d36b2d40.tar.xz linux-dev-17baa2a2c40f2f0330d25819b589a515d36b2d40.zip | |
proc: use kzalloc instead of kmalloc and memset
Part of the memory will be written twice after this change, but that
should be negligible.
[akpm@linux-foundation.org: fix __proc_create() coding-style issues, remove unneeded zero-initialisations]
Signed-off-by: yan <clouds.yan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/proc/generic.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 9e8f63164309..0d80cef4cfb9 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -605,7 +605,8 @@ static struct proc_dir_entry *__proc_create(struct proc_dir_entry **parent, unsigned int len; /* make sure name is valid */ - if (!name || !strlen(name)) goto out; + if (!name || !strlen(name)) + goto out; if (xlate_proc_name(name, parent, &fn) != 0) goto out; @@ -616,20 +617,18 @@ static struct proc_dir_entry *__proc_create(struct proc_dir_entry **parent, len = strlen(fn); - ent = kmalloc(sizeof(struct proc_dir_entry) + len + 1, GFP_KERNEL); - if (!ent) goto out; + ent = kzalloc(sizeof(struct proc_dir_entry) + len + 1, GFP_KERNEL); + if (!ent) + goto out; - memset(ent, 0, sizeof(struct proc_dir_entry)); memcpy(ent->name, fn, len + 1); ent->namelen = len; ent->mode = mode; ent->nlink = nlink; atomic_set(&ent->count, 1); - ent->pde_users = 0; spin_lock_init(&ent->pde_unload_lock); - ent->pde_unload_completion = NULL; INIT_LIST_HEAD(&ent->pde_openers); - out: +out: return ent; } |