Instead of exiting the loop as expected when an entry is found, the list_for_each_entry() continues until the traversal is complete. To avoid potential executing 'ret = gma_backlight_init(dev);' repeatly, break the loop when the entry is found.
Signed-off-by: Xiaomeng Tong xiam0nd.tong@gmail.com --- drivers/gpu/drm/gma500/psb_drv.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c index 2aff54d505e2..b61a8b0eea38 100644 --- a/drivers/gpu/drm/gma500/psb_drv.c +++ b/drivers/gpu/drm/gma500/psb_drv.c @@ -402,6 +402,9 @@ static int psb_driver_load(struct drm_device *dev, unsigned long flags) ret = gma_backlight_init(dev); break; } + + if (!ret) + break; } drm_connector_list_iter_end(&conn_iter);