video/omap: remove invalid check

regno is unsigned so it cannot be negative.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 0 insertions, 5 deletions

diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c
index 1fb3ea3c98a1..393ae1bc07e8 100644
--- a/drivers/video/fbdev/omap/omapfb_main.c
+++ b/drivers/video/fbdev/omap/omapfb_main.c
@@ -276,11 +276,6 @@ static int _setcolreg(struct fb_info *info, u_int regno, u_int red, u_int green,
                 if (r != 0)
                         break;
 
-                if (regno < 0) {
-                        r = -EINVAL;
-                        break;
-                }
-
                 if (regno < 16) {
                         u16 pal;
                         pal = ((red >> (16 - var->red.length)) <<