video: fbdev: amifb: remove impossible condition

xoffset and yoffset of struct fb_var_screeninfo are unsigned and so
they can never be less than 0.

Cc: Timur Tabi <timur@tabi.org>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: sachiniiitm@gmail.com
Cc: ravikant.s2@samsung.com
Cc: p.shailesh@samsung.com
Cc: ashish.kalra@samsung.com
Cc: vidushi.koul@samsung.com
Signed-off-by: Sachin Shukla <sachin.s5@samsung.com>
[b.zolnierkie: split from the bigger patch]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

diff --git a/drivers/video/fbdev/amifb.c b/drivers/video/fbdev/amifb.c
index 1d702e1..cc11c60 100644 (file)
--- a/drivers/video/fbdev/amifb.c
+++ b/drivers/video/fbdev/amifb.c
@@ -1484,13 +1484,11 @@ static int ami_decode_var(struct fb_var_screeninfo *var, struct amifb_par *par,
                par->xoffset = var->xoffset;
                par->yoffset = var->yoffset;
                if (par->vmode & FB_VMODE_YWRAP) {
-                       if (par->xoffset || par->yoffset < 0 ||
-                           par->yoffset >= par->vyres)
+                       if (par->yoffset >= par->vyres)
                                par->xoffset = par->yoffset = 0;
                } else {
-                       if (par->xoffset < 0 ||
-                           par->xoffset > upx(16 << maxfmode, par->vxres - par->xres) ||
-                           par->yoffset < 0 || par->yoffset > par->vyres - par->yres)
+                       if (par->xoffset > upx(16 << maxfmode, par->vxres - par->xres) ||
+                           par->yoffset > par->vyres - par->yres)
                                par->xoffset = par->yoffset = 0;
                }
        } else