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From:   Navid Emamdoost <navid.emamdoost@gmail.com>
Cc:     emamd001@umn.edu, smccaman@umn.edu, kjlu@umn.edu,
        Navid Emamdoost <navid.emamdoost@gmail.com>,
        Tom Lendacky <thomas.lendacky@amd.com>,
        Gary Hook <gary.hook@amd.com>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        "David S. Miller" <davem@davemloft.net>,
        linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] crypto: ccp - release hmac_buf if ccp_run_sha_cmd fails
Date:   Fri, 13 Sep 2019 18:48:23 -0500
Message-Id: <20190913234824.8521-1-navid.emamdoost@gmail.com>
To:     unlisted-recipients:; (no To-header on input)
Sender: linux-crypto-owner@vger.kernel.org
Precedence: bulk

In ccp_run_sha_cmd, if the type of sha is invalid, the allocated
hmac_buf should be released.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
---
 drivers/crypto/ccp/ccp-ops.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c
index 9bc3c62157d7..cff16f0cc15b 100644
--- a/drivers/crypto/ccp/ccp-ops.c
+++ b/drivers/crypto/ccp/ccp-ops.c
@@ -1782,6 +1782,7 @@ static int ccp_run_sha_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd)
 			       LSB_ITEM_SIZE);
 			break;
 		default:
+			kfree(hmac_buf);
 			ret = -EINVAL;
 			goto e_ctx;
 		}
-- 
2.17.1