diff options
| author | Li Feng | 2022-09-19 14:18:16 +0200 |
|---|---|---|
| committer | Kevin Wolf | 2022-10-27 20:14:11 +0200 |
| commit | ab6075d849f4285fc730d3ae6e17418d65d09998 (patch) | |
| tree | 818c8d1ed4a5af3e0249e2f5aa8ffed06fc74dac | |
| parent | block/io_uring: revert "Use io_uring_register_ring_fd() to skip fd operations" (diff) | |
| download | qemu-ab6075d849f4285fc730d3ae6e17418d65d09998.tar.gz qemu-ab6075d849f4285fc730d3ae6e17418d65d09998.tar.xz qemu-ab6075d849f4285fc730d3ae6e17418d65d09998.zip | |
vhost-user-blk: fix the resize crash
If the os is not installed and doesn't have the virtio guest driver,
the vhost dev isn't started, so the dev->vdev is NULL.
Reproduce: mount a Win 2019 iso, go into the install ui, then resize
the virtio-blk device, qemu crash.
Signed-off-by: Li Feng <fengli@smartx.com>
Message-Id: <20220919121816.3252223-1-fengli@smartx.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
| -rw-r--r-- | hw/block/vhost-user-blk.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c index 84902dde17..13bf5cc47a 100644 --- a/hw/block/vhost-user-blk.c +++ b/hw/block/vhost-user-blk.c @@ -97,6 +97,10 @@ static int vhost_user_blk_handle_config_change(struct vhost_dev *dev) VHostUserBlk *s = VHOST_USER_BLK(dev->vdev); Error *local_err = NULL; + if (!dev->started) { + return 0; + } + ret = vhost_dev_get_config(dev, (uint8_t *)&blkcfg, vdev->config_len, &local_err); if (ret < 0) { |