media: ti: davinci: vpbe_display.c: return 0 instead of 'ret'.

Since 'ret' is known to be 0, just return '0'. This fixes a smatch warning:

vpbe_display.c:1152 vpbe_display_open() warn: missing error code? 'err'

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

diff --git a/drivers/media/platform/ti/davinci/vpbe_display.c b/drivers/media/platform/ti/davinci/vpbe_display.c
index 9ea70817538e7940447c2152b92cdf9c3dda6925..ea2d0795d1e24a7a19cded4a2f5330a6856e1650 100644 (file)
--- a/drivers/media/platform/ti/davinci/vpbe_display.c
+++ b/drivers/media/platform/ti/davinci/vpbe_display.c
@@ -1149,7 +1149,7 @@ static int vpbe_display_open(struct file *file)
 
        /* leaving if layer is already initialized */
        if (!v4l2_fh_is_singular_file(file))
-               return err;
+               return 0;
 
        if (!layer->usrs) {
                if (mutex_lock_interruptible(&layer->opslock))