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author | Julia Lawall <julia@diku.dk> | 2010-05-26 14:43:44 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 09:12:49 -0700 |
commit | 4de85cd6d6018825e19f76f1208775f23ecc393f (patch) | |
tree | 117e765f4e24c4a67668ea96cfcc85a88793365c /ipc | |
parent | c5cf6359ad1d322c16e159011247341849cc0d3a (diff) | |
download | kernel_goldelico_gta04-4de85cd6d6018825e19f76f1208775f23ecc393f.zip kernel_goldelico_gta04-4de85cd6d6018825e19f76f1208775f23ecc393f.tar.gz kernel_goldelico_gta04-4de85cd6d6018825e19f76f1208775f23ecc393f.tar.bz2 |
ipc/sem.c: use ERR_CAST
Use ERR_CAST(x) rather than ERR_PTR(PTR_ERR(x)). The former makes more
clear what is the purpose of the operation, which otherwise looks like a
no-op.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
type T;
T x;
identifier f;
@@
T f (...) { <+...
- ERR_PTR(PTR_ERR(x))
+ x
...+> }
@@
expression x;
@@
- ERR_PTR(PTR_ERR(x))
+ ERR_CAST(x)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc')
-rw-r--r-- | ipc/sem.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -1208,7 +1208,7 @@ static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid) /* step 1: figure out the size of the semaphore array */ sma = sem_lock_check(ns, semid); if (IS_ERR(sma)) - return ERR_PTR(PTR_ERR(sma)); + return ERR_CAST(sma); nsems = sma->sem_nsems; sem_getref_and_unlock(sma); |