github/acrn-hypervisor
1
0
Fork 0
mirror of https://github.com/projectacrn/acrn-hypervisor.git synced 2025-06-23 14:07:42 +00:00
Code Issues Projects Releases Wiki Activity

dm: NULL check of vq->used in virtio_net_ping_rxq

Browse Source 
Add a check on this place to avoid NULL access issue.

Tracked-On: #6100
Signed-off-by: Jie Deng <jie.deng@intel.com>
This commit is contained in:
Jie Deng 2021-05-24 13:57:49 +08:00 committed by wenlingz
parent 1a6ead9af5
commit c08ceb25c5
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
devicemodel/hw/pci/virtio/virtio_net.c
View File

@ -490,8 +490,10 @@ virtio_net_ping_rxq(void *vdev, struct virtio_vq_info *vq)
*/ */
if (net->rx_ready == 0) { if (net->rx_ready == 0) {
net->rx_ready = 1; net->rx_ready = 1;
if (vq->used != NULL) {
vq->used->flags |= VRING_USED_F_NO_NOTIFY; vq->used->flags |= VRING_USED_F_NO_NOTIFY;
} }
}
} }
static void static void