lkml.org 
[lkml]   [2010]   [Jan]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[patch] slub: remove impossible condition
`s' cannot be NULL if kmalloc_caches is not NULL.

This conditional would trigger a NULL pointer on `s', anyway, since it is
immediately derefernced if true.

Cc: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: David Rientjes <rientjes@google.com>
---
mm/slub.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2641,7 +2641,7 @@ static noinline struct kmem_cache *dma_kmalloc_cache(int index, gfp_t flags)
if (slab_state >= SYSFS)
slabflags |= __SYSFS_ADD_DEFERRED;

- if (!s || !text || !kmem_cache_open(s, flags, text,
+ if (!text || !kmem_cache_open(s, flags, text,
realsize, ARCH_KMALLOC_MINALIGN, slabflags, NULL)) {
s->size = 0;
kfree(text);

\
 
 \ /
  Last update: 2010-01-15 21:53    [W:0.058 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site