linux-kernel - [PATCH v2 1/2] nvme-auth: unlock mutex in one place only

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Message-Id: <20230731145106.917526-1-shiftee@posteo.net>
Date:   Mon, 31 Jul 2023 14:51:05 +0000
From:   Mark O'Donovan <shiftee@...teo.net>
To:     linux-kernel@...r.kernel.org
Cc:     linux-nvme@...ts.infradead.org, axboe@...nel.dk, kbusch@...nel.org,
        hare@...e.de, Mark O'Donovan <shiftee@...teo.net>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>
Subject: [PATCH v2 1/2] nvme-auth: unlock mutex in one place only

Signed-off-by: Mark O'Donovan <shiftee@...teo.net>
Reviewed-by: Christoph Hellwig <hch@....de>
Reviewed-by: Sagi Grimberg <sagi@...mberg.me>
---
 drivers/nvme/host/auth.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/nvme/host/auth.c b/drivers/nvme/host/auth.c
index daf5d144a8ea..e1a98647c3a2 100644
--- a/drivers/nvme/host/auth.c
+++ b/drivers/nvme/host/auth.c
@@ -758,12 +758,11 @@ static void nvme_queue_auth_work(struct work_struct *work)
 		__func__, chap->qid);
 	mutex_lock(&ctrl->dhchap_auth_mutex);
 	ret = nvme_auth_dhchap_setup_host_response(ctrl, chap);
+	mutex_unlock(&ctrl->dhchap_auth_mutex);
 	if (ret) {
-		mutex_unlock(&ctrl->dhchap_auth_mutex);
 		chap->error = ret;
 		goto fail2;
 	}
-	mutex_unlock(&ctrl->dhchap_auth_mutex);
 
 	/* DH-HMAC-CHAP Step 3: send reply */
 	dev_dbg(ctrl->device, "%s: qid %d send reply\n",
-- 
2.39.2