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acornfb: Dont BUG() on invalid pan parameters
[pandora-kernel.git]
/
drivers
/
video
/
acornfb.c
diff --git
a/drivers/video/acornfb.c
b/drivers/video/acornfb.c
index
6183a57
..
3bacc12
100644
(file)
--- a/
drivers/video/acornfb.c
+++ b/
drivers/video/acornfb.c
@@
-852,7
+852,8
@@
acornfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
if (!(var->vmode & FB_VMODE_YWRAP))
y_bottom += var->yres;
if (!(var->vmode & FB_VMODE_YWRAP))
y_bottom += var->yres;
- BUG_ON(y_bottom > var->yres_virtual);
+ if (y_bottom > var->yres_virtual)
+ return -EINVAL;
acornfb_update_dma(info, var);
acornfb_update_dma(info, var);