ipc: remove unreachable code in sem.c
Amerigo Wang [Wed, 16 Dec 2009 00:47:35 +0000 (16:47 -0800)]
This line is unreachable, remove it.

[akpm@linux-foundation.org: remove unneeded initialisation of `err']
Signed-off-by: WANG Cong <amwang@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

ipc/sem.c

index 82518d6..dbef95b 100644 (file)
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -624,7 +624,7 @@ static unsigned long copy_semid_to_user(void __user *buf, struct semid64_ds *in,
 static int semctl_nolock(struct ipc_namespace *ns, int semid,
                         int cmd, int version, union semun arg)
 {
-       int err = -EINVAL;
+       int err;
        struct sem_array *sma;
 
        switch(cmd) {
@@ -701,7 +701,6 @@ static int semctl_nolock(struct ipc_namespace *ns, int semid,
        default:
                return -EINVAL;
        }
-       return err;
 out_unlock:
        sem_unlock(sma);
        return err;