netdev - [net v2] ch_ktls: lock is not freed

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Date:   Wed, 25 Nov 2020 12:56:26 +0530
From:   Rohit Maheshwari <rohitm@...lsio.com>
To:     kuba@...nel.org, netdev@...r.kernel.org, davem@...emloft.net
Cc:     secdev@...lsio.com, Rohit Maheshwari <rohitm@...lsio.com>
Subject: [net v2] 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: efca3878a5fb ("ch_ktls: Issue if connection offload fails")
Signed-off-by: Rohit Maheshwari <rohitm@...lsio.com>
---
 .../net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c b/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c
index c24485c0d512..7f90b828d159 100644
--- a/drivers/net/ethernet/chelsio/inline_crypto/ch_ktls/chcr_ktls.c
+++ b/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);
-- 
2.18.1