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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Xie Yongji <xieyongji@bytedance.com>,
	Jason Wang <jasowang@redhat.com>,
	"Michael S . Tsirkin" <mst@redhat.com>,
	Sasha Levin <sashal@kernel.org>,
	virtualization@lists.linux-foundation.org,
	netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 4.14 20/21] virtio_net: Fix error handling in virtnet_restore()
Date: Sat, 10 Jul 2021 19:52:11 -0400	[thread overview]
Message-ID: <20210710235212.3222375-20-sashal@kernel.org> (raw)
In-Reply-To: <20210710235212.3222375-1-sashal@kernel.org>

From: Xie Yongji <xieyongji@bytedance.com>

[ Upstream commit 3f2869cace829fb4b80fc53b3ddaa7f4ba9acbf1 ]

Do some cleanups in virtnet_restore() when virtnet_cpu_notif_add() failed.

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Link: https://lore.kernel.org/r/20210517084516.332-1-xieyongji@bytedance.com
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/virtio_net.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 2d2a307c0231..dbc944c5759e 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2765,8 +2765,11 @@ static __maybe_unused int virtnet_restore(struct virtio_device *vdev)
 	virtnet_set_queues(vi, vi->curr_queue_pairs);
 
 	err = virtnet_cpu_notif_add(vi);
-	if (err)
+	if (err) {
+		virtnet_freeze_down(vdev);
+		remove_vq_common(vi);
 		return err;
+	}
 
 	return 0;
 }
-- 
2.30.2


  parent reply	other threads:[~2021-07-10 23:55 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-10 23:51 [PATCH AUTOSEL 4.14 01/21] pwm: spear: Don't modify HW state in .remove callback Sasha Levin
2021-07-10 23:51 ` [PATCH AUTOSEL 4.14 02/21] power: supply: ab8500: Avoid NULL pointers Sasha Levin
2021-07-10 23:51 ` [PATCH AUTOSEL 4.14 03/21] power: supply: max17042: Do not enforce (incorrect) interrupt trigger type Sasha Levin
2021-07-10 23:51 ` [PATCH AUTOSEL 4.14 04/21] power: reset: gpio-poweroff: add missing MODULE_DEVICE_TABLE Sasha Levin
2021-07-10 23:51 ` [PATCH AUTOSEL 4.14 05/21] ARM: 9087/1: kprobes: test-thumb: fix for LLVM_IAS=1 Sasha Levin
2021-07-10 23:51 ` [PATCH AUTOSEL 4.14 06/21] watchdog: Fix possible use-after-free in wdt_startup() Sasha Levin
2021-07-10 23:51 ` [PATCH AUTOSEL 4.14 07/21] watchdog: sc520_wdt: Fix possible use-after-free in wdt_turnoff() Sasha Levin
2021-07-10 23:51 ` [PATCH AUTOSEL 4.14 08/21] watchdog: Fix possible use-after-free by calling del_timer_sync() Sasha Levin
2021-07-10 23:52 ` [PATCH AUTOSEL 4.14 09/21] watchdog: iTCO_wdt: Account for rebooting on second timeout Sasha Levin
2021-07-10 23:52 ` [PATCH AUTOSEL 4.14 10/21] x86/fpu: Return proper error codes from user access functions Sasha Levin
2021-07-10 23:52 ` [PATCH AUTOSEL 4.14 11/21] orangefs: fix orangefs df output Sasha Levin
2021-07-10 23:52 ` [PATCH AUTOSEL 4.14 12/21] ceph: remove bogus checks and WARN_ONs from ceph_set_page_dirty Sasha Levin
2021-07-10 23:52 ` [PATCH AUTOSEL 4.14 13/21] NFS: nfs_find_open_context() may only select open files Sasha Levin
2021-07-10 23:52 ` [PATCH AUTOSEL 4.14 14/21] power: supply: charger-manager: add missing MODULE_DEVICE_TABLE Sasha Levin
2021-07-10 23:52 ` [PATCH AUTOSEL 4.14 15/21] power: supply: ab8500: " Sasha Levin
2021-07-10 23:52 ` [PATCH AUTOSEL 4.14 16/21] pwm: tegra: Don't modify HW state in .remove callback Sasha Levin
2021-07-10 23:52 ` [PATCH AUTOSEL 4.14 17/21] ACPI: AMBA: Fix resource name in /proc/iomem Sasha Levin
2021-07-10 23:52 ` [PATCH AUTOSEL 4.14 18/21] ACPI: video: Add quirk for the Dell Vostro 3350 Sasha Levin
2021-07-10 23:52 ` [PATCH AUTOSEL 4.14 19/21] virtio-blk: Fix memory leak among suspend/resume procedure Sasha Levin
2021-07-10 23:52 ` Sasha Levin [this message]
2021-07-10 23:52 ` [PATCH AUTOSEL 4.14 21/21] virtio_console: Assure used length from device is limited Sasha Levin

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