ch_ktls: lock is not freed

Currently lock gets freed only if timeout expires, but missed a
case when HW returns failure and goes for cleanup.

Fixes: efca3878 ("ch_ktls: Issue if connection offload fails")
Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Link: https://lore.kernel.org/r/20201125072626.10861-1-rohitm@chelsio.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c

@@ -544,7 +544,9 @@ static int chcr_ktls_dev_add(struct net_device *netdev, struct sock *sk,
 		/* need to wait for hw response, can't free tx_info yet. */
 		if (tx_info->open_state == CH_KTLS_OPEN_PENDING)
 			tx_info->pending_close = true;
-		/* free the lock after the cleanup */
+		else
+			spin_unlock_bh(&tx_info->lock);
+		/* if in pending close, free the lock after the cleanup */
 		goto put_module;
 	}
 	spin_unlock_bh(&tx_info->lock);