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ipc/mqueue: simplify reading msgqueue limit

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Because the current task is being used to get the limit, we can simply
use rlimit() instead of task_rlimit().

Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Davidlohr Bueso 2012-01-20 14:34:01 -08:00 committed by Linus Torvalds
parent e9a4593cc5
commit 2a4e64b8f6
1 changed files with 1 additions and 2 deletions
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3
ipc/mqueue.c
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@ -128,7 +128,6 @@ static struct inode *mqueue_get_inode(struct super_block *sb,
if (S_ISREG(mode)) {
struct mqueue_inode_info *info;
struct task_struct *p = current;
unsigned long mq_bytes, mq_msg_tblsz;
inode->i_fop = &mqueue_file_operations;
@ -159,7 +158,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb,
spin_lock(&mq_lock);
if (u->mq_bytes + mq_bytes < u->mq_bytes ||
u->mq_bytes + mq_bytes > task_rlimit(p, RLIMIT_MSGQUEUE)) {
u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE)) {
spin_unlock(&mq_lock);
/* mqueue_evict_inode() releases info->messages */
ret = -EMFILE;