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| author | Changli Gao <xiaosuo@gmail.com> | 2010-04-23 13:17:45 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-24 11:31:24 -0700 |
| commit | e59464c735db19619cde2aa331609adb02005f5b (patch) | |
| tree | 00849f207341841a7f5190c270fa0f82dcbda587 | |
| parent | 46da27664887fb95cedba53eafcf876de812c8c1 (diff) | |
| download | lwn-e59464c735db19619cde2aa331609adb02005f5b.tar.gz lwn-e59464c735db19619cde2aa331609adb02005f5b.zip | |
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>
| -rw-r--r-- | lib/flex_array.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/flex_array.c b/lib/flex_array.c index 66eef2e4483e..41b1804fa728 100644 --- a/lib/flex_array.c +++ b/lib/flex_array.c @@ -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; } |