From 0e566c8f0f2e8325e35f6f97e13cde5356b41814 Mon Sep 17 00:00:00 2001 From: Parav Pandit Date: Wed, 21 Jul 2021 17:26:47 +0300 Subject: virtio: Protect vqs list access VQs may be accessed to mark the device broken while they are created/destroyed. Hence protect the access to the vqs list. Fixes: e2dcdfe95c0b ("virtio: virtio_break_device() to mark all virtqueues broken.") Signed-off-by: Parav Pandit Link: https://lore.kernel.org/r/20210721142648.1525924-4-parav@nvidia.com Signed-off-by: Michael S. Tsirkin --- include/linux/virtio.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux/virtio.h') diff --git a/include/linux/virtio.h b/include/linux/virtio.h index b1894e0323fa..41edbc01ffa4 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -110,6 +110,7 @@ struct virtio_device { bool config_enabled; bool config_change_pending; spinlock_t config_lock; + spinlock_t vqs_list_lock; /* Protects VQs list access */ struct device dev; struct virtio_device_id id; const struct virtio_config_ops *config; -- cgit v1.2.3