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-rw-r--r--drivers/video/acornfb.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/video/acornfb.c b/drivers/video/acornfb.c
index 6183a57eb69..3bacc129054 100644
--- 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;
- BUG_ON(y_bottom > var->yres_virtual);
+ if (y_bottom > var->yres_virtual)
+ return -EINVAL;
acornfb_update_dma(info, var);