Quite a few fields are zeroed during user_struct creation, so use
kmem_cache_zalloc() -- save a few lines and #ifdef. Also will help avoid
#ifdef CONFIG_POSIX_MQUEUE in next patch.
Signed-off-by: Alexey Dobriyan <[EMAIL PROTECTED]>
---
kernel/user.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -129,21 +129,11 @@ struct user_struct * alloc_uid(struct user_namespace *ns,
uid_t uid)
if (!up) {
struct user_struct *new;
- new = kmem_cache_alloc(uid_cachep, GFP_KERNEL);
+ new = kmem_cache_zalloc(uid_cachep, GFP_KERNEL);
if (!new)
return NULL;
new->uid = uid;
atomic_set(&new->__count, 1);
- atomic_set(&new->processes, 0);
- atomic_set(&new->files, 0);
- atomic_set(&new->sigpending, 0);
-#ifdef CONFIG_INOTIFY_USER
- atomic_set(&new->inotify_watches, 0);
- atomic_set(&new->inotify_devs, 0);
-#endif
-
- new->mq_bytes = 0;
- new->locked_shm = 0;
if (alloc_uid_keyring(new, current) < 0) {
kmem_cache_free(uid_cachep, new);
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