linux-kernel - [PATCH 4.19 018/118] qed: Fix PTT leak in qed

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Message-Id: <20181211151644.966103989@linuxfoundation.org>
Date:   Tue, 11 Dec 2018 16:40:37 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Denis Bolotin <denis.bolotin@...ium.com>,
        Michal Kalderon <michal.kalderon@...ium.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 018/118] qed: Fix PTT leak in qed_drain()

4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit 9aaa4e8ba12972d674caeefbc5f88d83235dd697 ]

Release PTT before entering error flow.

Signed-off-by: Denis Bolotin <denis.bolotin@...ium.com>
Signed-off-by: Michal Kalderon <michal.kalderon@...ium.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/qlogic/qed/qed_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index 2094d86a7a08..cf3b0e3dc350 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -1634,9 +1634,9 @@ static int qed_drain(struct qed_dev *cdev)
 			return -EBUSY;
 		}
 		rc = qed_mcp_drain(hwfn, ptt);
+		qed_ptt_release(hwfn, ptt);
 		if (rc)
 			return rc;
-		qed_ptt_release(hwfn, ptt);
 	}
 
 	return 0;
-- 
2.19.1