linux-kernel - [PATCH 5.15 245/262] iavf: missing unlocks in iavf_watchdog

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Message-Id: <20220307091710.437712940@linuxfoundation.org>
Date:   Mon,  7 Mar 2022 10:19:49 +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, Dan Carpenter <dan.carpenter@...cle.com>,
        Konrad Jankowski <konrad0.jankowski@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>
Subject: [PATCH 5.15 245/262] iavf: missing unlocks in iavf_watchdog_task()

From: Dan Carpenter <dan.carpenter@...cle.com>

commit bc2f39a6252ee40d9bfc2743d4437d420aec5f6e upstream.

This code was re-organized and there some unlocks missing now.

Fixes: 898ef1cb1cb2 ("iavf: Combine init and watchdog state machines")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/intel/iavf/iavf_main.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -2071,6 +2071,7 @@ static void iavf_watchdog_task(struct wo
 		}
 		adapter->aq_required = 0;
 		adapter->current_op = VIRTCHNL_OP_UNKNOWN;
+		mutex_unlock(&adapter->crit_lock);
 		queue_delayed_work(iavf_wq,
 				   &adapter->watchdog_task,
 				   msecs_to_jiffies(10));
@@ -2101,9 +2102,8 @@ static void iavf_watchdog_task(struct wo
 			iavf_detect_recover_hung(&adapter->vsi);
 		break;
 	case __IAVF_REMOVE:
-		mutex_unlock(&adapter->crit_lock);
-		return;
 	default:
+		mutex_unlock(&adapter->crit_lock);
 		return;
 	}