Both anx78xx_set_bits() and anx78xx_clear_bits() in the poweron process may fail. The fix inserts checks for their return values. Signed-off-by: Kangjie Lu <kjlu@xxxxxxx> --- drivers/gpu/drm/bridge/analogix-anx78xx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/bridge/analogix-anx78xx.c b/drivers/gpu/drm/bridge/analogix-anx78xx.c index 3b0fe2b188db..4f35aced65a0 100644 --- a/drivers/gpu/drm/bridge/analogix-anx78xx.c +++ b/drivers/gpu/drm/bridge/analogix-anx78xx.c @@ -646,6 +646,7 @@ static void anx78xx_poweron(struct anx78xx *anx78xx) err); return; } + err = anx78xx_clear_bits(anx78xx->map[I2C_IDX_TX_P2], SP_POWERDOWN_CTRL_REG, SP_REGISTER_PD | SP_TOTAL_PD); -- 2.17.2 (Apple Git-113) _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel