diff mbox

[-next] crypto: fix missing unlock on error in sun4i_hash()

Message ID 1471560130-5265-1-git-send-email-weiyj.lk@gmail.com (mailing list archive)
State Superseded
Delegated to: Herbert Xu
Headers show

Commit Message

Wei Yongjun Aug. 18, 2016, 10:42 p.m. UTC
Add the missing unlock before return from function sun4i_hash()
in the error handling case.

Fixes: 477d9b2e591b ("crypto: sun4i-ss - unify update/final function")
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
---
 drivers/crypto/sunxi-ss/sun4i-ss-hash.c | 1 +
 1 file changed, 1 insertion(+)


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Comments

Corentin Labbe Aug. 19, 2016, 5:40 a.m. UTC | #1
On 19/08/2016 00:42, Wei Yongjun wrote:
> Add the missing unlock before return from function sun4i_hash()
> in the error handling case.
> 
> Fixes: 477d9b2e591b ("crypto: sun4i-ss - unify update/final function")
> Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
> ---
>  drivers/crypto/sunxi-ss/sun4i-ss-hash.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
> index 2ee3b59..de66f47 100644
> --- a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
> +++ b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
> @@ -245,6 +245,7 @@ int sun4i_hash(struct ahash_request *areq)
>  		if (end > areq->nbytes || areq->nbytes - end > 63) {
>  			dev_err(ss->dev, "ERROR: Bound error %u %u\n",
>  				end, areq->nbytes);
> +			spin_unlock(&ss->slock);
>  			return -EINVAL;
>  		}
>  	} else {
> 

Hello

Thanks for the finding, but it is better in that case to use the goto release_ss since it need also to stop the device.

Regards

LABBE Corentin
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diff mbox

Patch

diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
index 2ee3b59..de66f47 100644
--- a/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
+++ b/drivers/crypto/sunxi-ss/sun4i-ss-hash.c
@@ -245,6 +245,7 @@  int sun4i_hash(struct ahash_request *areq)
 		if (end > areq->nbytes || areq->nbytes - end > 63) {
 			dev_err(ss->dev, "ERROR: Bound error %u %u\n",
 				end, areq->nbytes);
+			spin_unlock(&ss->slock);
 			return -EINVAL;
 		}
 	} else {