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

[Corentin Labbe]

This patch fixes a memory leak on an error path.

Fixes: d9b45418a917 ("crypto: sun8i-ss - support hash algorithms")
Reported-by: kernel test robot <l...@intel.com>
Reported-by: Dan Carpenter <dan.ca...@oracle.com>
Signed-off-by: Corentin Labbe <clabbe....@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

[Herbert Xu]

On Tue, Mar 02, 2021 at 05:41:45PM +0100, Corentin Labbe wrote:
> This patch fixes a memory leak on an error path.
>
> Fixes: d9b45418a917 ("crypto: sun8i-ss - support hash algorithms")
> Reported-by: kernel test robot <l...@intel.com>
> Reported-by: Dan Carpenter <dan.ca...@oracle.com>
> Signed-off-by: Corentin Labbe <clabbe....@gmail.com>
> ---
> drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

This patch was already merged a month ago:

commit 1dbc6a1e25be8575d6c4114d1d2b841a796507f7
Author: Corentin Labbe <clabbe....@gmail.com>
Date: Fri Feb 12 09:46:10 2021 +0100

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

Thanks,
--
Email: Herbert Xu <her...@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt