crypto: img-hash - Fix set_reqsize call

Properly allocate enough memory to respect the fallback. Signed-off-by: Will Thomas <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
cluon · Aug 9, 2016 · 5e38d20 · 5e38d20
1 parent fb67740
commit 5e38d20
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c
@@ -686,6 +686,7 @@ static int img_hash_cra_init(struct crypto_tfm *tfm, const char *alg_name)
 	}
 	crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
 				 sizeof(struct img_hash_request_ctx) +
+				 crypto_ahash_reqsize(ctx->fallback) +
 				 IMG_HASH_DMA_THRESHOLD);
 
 	return 0;