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crypto: inside-secure - unmap the result in the hash send error path

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This patch adds a label to unmap the result buffer in the hash send
function error path.

Fixes: 1b44c5a60c ("crypto: inside-secure - add SafeXcel EIP197 crypto engine driver")
Suggested-by: Ofer Heifetz <oferh@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Antoine Tenart 2018-02-13 09:26:57 +01:00 committed by Herbert Xu
parent f7268c538b
commit 57240a78be
1 changed files with 3 additions and 1 deletions
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4
drivers/crypto/inside-secure/safexcel_hash.c
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@ -303,7 +303,7 @@ send_command:
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 @@ send_command:
*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);