The connectors list iterator returns the list head when the list is empty. Fix it by returning NULL in that case.
Signed-off-by: Laurent Pinchart laurent.pinchart@ideasonboard.com --- drivers/gpu/drm/omapdrm/omap_fb.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c index f2b8f06..1b48cf2 100644 --- a/drivers/gpu/drm/omapdrm/omap_fb.c +++ b/drivers/gpu/drm/omapdrm/omap_fb.c @@ -301,8 +301,11 @@ struct drm_connector *omap_framebuffer_get_next_connector( struct list_head *connector_list = &dev->mode_config.connector_list; struct drm_connector *connector = from;
- if (!from) + if (!from) { + if (list_empty(connector_list)) + return NULL; return list_first_entry(connector_list, typeof(*from), head); + }
list_for_each_entry_from(connector, connector_list, head) { if (connector != from) {