linux-kernel - [PATCH AUTOSEL 4.19 073/146] mt76x2u: run device cleanup routine if resume fails

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20181031230541.28822-73-sashal@kernel.org>
Date:   Wed, 31 Oct 2018 19:04:28 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     stable@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Lorenzo Bianconi <lorenzo.bianconi@...hat.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 4.19 073/146] mt76x2u: run device cleanup routine if resume fails

From: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>

[ Upstream commit 9b2fd48d36e25b9be9ddb8be8cc1eb263a1d1843 ]

Cleanup {tx,rx} and mcu queues if resume operation fails

Fixes: ee676cd5017c ("mt76: add driver code for MT76x2u based devices")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
Signed-off-by: Kalle Valo <kvalo@...eaurora.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/mediatek/mt76/mt76x2_usb.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c b/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c
index 1428cfdee579..9594433234cc 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c
@@ -107,16 +107,24 @@ static int __maybe_unused mt76x2u_resume(struct usb_interface *intf)
 			       mt76u_mcu_complete_urb,
 			       &usb->mcu.cmpl);
 	if (err < 0)
-		return err;
+		goto err;
 
 	err = mt76u_submit_rx_buffers(&dev->mt76);
 	if (err < 0)
-		return err;
+		goto err;
 
 	tasklet_enable(&usb->rx_tasklet);
 	tasklet_enable(&usb->tx_tasklet);
 
-	return mt76x2u_init_hardware(dev);
+	err = mt76x2u_init_hardware(dev);
+	if (err < 0)
+		goto err;
+
+	return 0;
+
+err:
+	mt76x2u_cleanup(dev);
+	return err;
 }
 
 MODULE_DEVICE_TABLE(usb, mt76x2u_device_table);
-- 
2.17.1