We never set "vblank" to "false". Current versions of GCC will initialize it to zero automatically at certain optimization levels so that's probably why this didn't show up in testing. Fixes: 5fc537bfd000 ("drm/mcde: Add new driver for ST-Ericsson MCDE") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- drivers/gpu/drm/mcde/mcde_display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mcde/mcde_display.c b/drivers/gpu/drm/mcde/mcde_display.c index f3ef108a41d9..751454ae3cd1 100644 --- a/drivers/gpu/drm/mcde/mcde_display.c +++ b/drivers/gpu/drm/mcde/mcde_display.c @@ -65,7 +65,7 @@ enum mcde_dsi_formatter { void mcde_display_irq(struct mcde *mcde) { u32 mispp, misovl, mischnl; - bool vblank; + bool vblank = false; /* Handle display IRQs */ mispp = readl(mcde->regs + MCDE_MISPP); -- 2.20.1