[PATCH] crypto: sun8i-ss: fix result memory leak on error path

Corentin Labbe clabbe.montjoie at gmail.com
Tue Mar 2 16:41:45 GMT 2021


This patch fixes a memory leak on an error path.

Fixes: d9b45418a917 ("crypto: sun8i-ss - support hash algorithms")
Reported-by: kernel test robot <lkp at intel.com>
Reported-by: Dan Carpenter <dan.carpenter at oracle.com>
Signed-off-by: Corentin Labbe <clabbe.montjoie at gmail.com>
---
 drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
index 11cbcbc83a7b..0b9aa24a5edd 100644
--- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
+++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
@@ -438,8 +438,8 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq)
 	kfree(pad);
 
 	memcpy(areq->result, result, algt->alg.hash.halg.digestsize);
-	kfree(result);
 theend:
+	kfree(result);
 	crypto_finalize_hash_request(engine, breq, err);
 	return 0;
 }
-- 
2.26.2




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