From: Will Thomas <will.thomas@imgtec.com>
Date: Fri, 5 Aug 2016 13:00:20 +0000 (+0100)
Subject: crypto: img-hash - Fix set_reqsize call
X-Git-Tag: v4.9-rc1~53^2~115
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5e38d20088d48b60775bdbdfdf47f8a2c4f6288f;p=karo-tx-linux.git

crypto: img-hash - Fix set_reqsize call

Properly allocate enough memory to respect the fallback.

Signed-off-by: Will Thomas <will.thomas@imgtec.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/img-hash.c b/drivers/crypto/img-hash.c
index 60410d79bbc5..a2e77b87485b 100644
--- 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;