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Subject[PATCH 1/3] flex_array: fix the panic issue when calling flex_array_alloc() without __GFP_ZERO
fix the panic issue when calling flex_array_alloc() without __GFP_ZERO.

memset is called with the wrong address, then kernel panics.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
----
lib/flex_array.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/flex_array.c b/lib/flex_array.c
index 66eef2e..6fbb514 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;
}



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