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flex_array: fix the panic when calling flex_array_alloc() without __GFP_ZERO 

memset() is called with the wrong address and the kernel panics.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Cc: Patrick McHardy <kaber@trash.net>
Acked-by: David Rientjes <rientjes@google.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Changli Gao 2010-04-23 13:17:45 -04:00 committed by Linus Torvalds
parent 46da276648
commit e59464c735
1 changed files with 1 additions and 1 deletions
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2
lib/flex_array.c
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@ -99,7 +99,7 @@ struct flex_array *flex_array_alloc(int element_size, unsigned int total,
ret->element_size = element_size;
ret->total_nr_elements = total;
if (elements_fit_in_base(ret) && !(flags & __GFP_ZERO))
memset(ret->parts[0], FLEX_ARRAY_FREE,
memset(&ret->parts[0], FLEX_ARRAY_FREE,
FLEX_ARRAY_BASE_BYTES_LEFT);
return ret;
}