diff mbox series

drm/mcde: Fix an uninitialized variable

Message ID 20190529113458.GG19119@mwanda (mailing list archive)
State New, archived
Headers show
Series drm/mcde: Fix an uninitialized variable | expand

Commit Message

Dan Carpenter May 29, 2019, 11:34 a.m. UTC
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@oracle.com>
---
 drivers/gpu/drm/mcde/mcde_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Linus Walleij June 13, 2019, 9:58 a.m. UTC | #1
On Wed, May 29, 2019 at 4:25 PM Dan Carpenter <dan.carpenter@oracle.com> wrote:

> 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@oracle.com>

Patch applied.

Yours,
Linus Walleij
diff mbox series

Patch

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);