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>

diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c
index 1fb3ea3c98a1814fc7d4f2f4e77d53fbfc5f802b..393ae1bc07e8f76a4501e8b17c67cff26341445b 100644 (file)
--- 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)) <<