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crypto: img-hash - Fix hash request context

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Move 0 length buffer to end of structure to stop overwriting
fallback request data. This doesn't cause a bug itself as the
buffer is never used alongside the fallback but should be
changed.

Signed-off-by: Will Thomas <will.thomas@imgtec.com>
Reviewed-by: James Hartley <james.hartley@imgtec.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Will Thomas 2016-08-05 14:00:15 +01:00 committed by Herbert Xu
parent 10badea259
commit dd4f677b0c
1 changed files with 3 additions and 1 deletions
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4
drivers/crypto/img-hash.c
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@ -102,8 +102,10 @@ struct img_hash_request_ctx {
unsigned long op;
size_t bufcnt;
u8 buffer[0] __aligned(sizeof(u32));
struct ahash_request fallback_req;
/* Zero length buffer must remain last member of struct */
u8 buffer[0] __aligned(sizeof(u32));
};
struct img_hash_ctx {