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authorMarc-André Lureau <marcandre.lureau@redhat.com>2021-03-12 14:00:45 +0400
committerGerd Hoffmann <kraxel@redhat.com>2021-03-26 06:37:03 +0100
commit59be75e7d8693b953c072487b1fb6cef2b7bb41a (patch)
tree6ed79281ea6ec67df3de31f0c7a849cc32e69a8f
parent96ee096a1332086285c98d92f750ea0c3cb32564 (diff)
vhost-user-gpu: fix cursor move/update
"move" is incorrectly initialized. Fix it by using a switch statement and also treating unknown commands with a fallback. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20210312100108.2706195-5-marcandre.lureau@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
-rw-r--r--contrib/vhost-user-gpu/vhost-user-gpu.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/contrib/vhost-user-gpu/vhost-user-gpu.c b/contrib/vhost-user-gpu/vhost-user-gpu.c
index ef40fbccbb..f73f292c9f 100644
--- a/contrib/vhost-user-gpu/vhost-user-gpu.c
+++ b/contrib/vhost-user-gpu/vhost-user-gpu.c
@@ -892,11 +892,8 @@ update_cursor_data_simple(VuGpu *g, uint32_t resource_id, gpointer data)
static void
vg_process_cursor_cmd(VuGpu *g, struct virtio_gpu_update_cursor *cursor)
{
- bool move = cursor->hdr.type != VIRTIO_GPU_CMD_MOVE_CURSOR;
-
- g_debug("%s move:%d\n", G_STRFUNC, move);
-
- if (move) {
+ switch (cursor->hdr.type) {
+ case VIRTIO_GPU_CMD_MOVE_CURSOR: {
VhostUserGpuMsg msg = {
.request = cursor->resource_id ?
VHOST_USER_GPU_CURSOR_POS : VHOST_USER_GPU_CURSOR_POS_HIDE,
@@ -907,8 +904,11 @@ vg_process_cursor_cmd(VuGpu *g, struct virtio_gpu_update_cursor *cursor)
.y = cursor->pos.y,
}
};
+ g_debug("%s: move", G_STRFUNC);
vg_send_msg(g, &msg, -1);
- } else {
+ break;
+ }
+ case VIRTIO_GPU_CMD_UPDATE_CURSOR: {
VhostUserGpuMsg msg = {
.request = VHOST_USER_GPU_CURSOR_UPDATE,
.size = sizeof(VhostUserGpuCursorUpdate),
@@ -922,6 +922,7 @@ vg_process_cursor_cmd(VuGpu *g, struct virtio_gpu_update_cursor *cursor)
.hot_y = cursor->hot_y,
}
};
+ g_debug("%s: update", G_STRFUNC);
if (g->virgl) {
vg_virgl_update_cursor_data(g, cursor->resource_id,
msg.payload.cursor_update.data);
@@ -930,6 +931,11 @@ vg_process_cursor_cmd(VuGpu *g, struct virtio_gpu_update_cursor *cursor)
msg.payload.cursor_update.data);
}
vg_send_msg(g, &msg, -1);
+ break;
+ }
+ default:
+ g_debug("%s: unknown cmd %d", G_STRFUNC, cursor->hdr.type);
+ break;
}
}