Commit dd4f677b authored Aug 05, 2016 by Will Thomas Committed by Herbert Xu Aug 09, 2016

crypto: img-hash - Fix hash request context



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>

parent 10badea2

drivers/crypto/img-hash.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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 {