This patch adds a label to unmap the result buffer in the hash send
function error path.
Fixes: 1b44c5a60c13 ("crypto: inside-secure - add SafeXcel EIP197 crypto engine driver")
Suggested-by: Ofer Heifetz <oferh@xxxxxxxxxxx>
Signed-off-by: Antoine Tenart <antoine.tenart@xxxxxxxxxxx>
---
drivers/crypto/inside-secure/safexcel_hash.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index 43e94cd59c86..a4960a934eef 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -303,7 +303,7 @@ static int safexcel_ahash_send_req(struct crypto_async_request *async, int ring,
req->state_sz);
if (IS_ERR(rdesc)) {
ret = PTR_ERR(rdesc);
- goto cdesc_rollback;
+ goto unmap_result;
}
spin_unlock_bh(&priv->ring[ring].egress_lock);
@@ -315,6 +315,8 @@ static int safexcel_ahash_send_req(struct crypto_async_request *async, int ring,
*results = 1;
return 0;
+unmap_result:
+ dma_unmap_sg(priv->dev, areq->src, req->nents, DMA_TO_DEVICE);
cdesc_rollback:
for (i = 0; i < n_cdesc; i++)
safexcel_ring_rollback_wptr(priv, &priv->ring[ring].cdr);
--
2.14.3
