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mm/slob.c: remove an unnecessary check for __GFP_ZERO

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Current flow guarantees a valid pointer when handling the __GFP_ZERO
case.  So remove the unnecessary NULL pointer check.

Link: http://lkml.kernel.org/r/1507203141-11959-1-git-send-email-miles.chen@mediatek.com
Signed-off-by: Miles Chen <miles.chen@mediatek.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Miles Chen 2017-11-15 17:32:10 -08:00 committed by Linus Torvalds
parent 852d8be0ad
commit 9f88faee3f
1 changed files with 1 additions and 1 deletions
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2
mm/slob.c
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@ -330,7 +330,7 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node)
BUG_ON(!b);
spin_unlock_irqrestore(&slob_lock, flags);
}
if (unlikely((gfp & __GFP_ZERO) && b))
if (unlikely(gfp & __GFP_ZERO))
memset(b, 0, size);
return b;
}