From a1bb7010d494d3fcde3814d7a8ac609f1dff96ee Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 14 Jun 2011 09:24:40 +0000 Subject: [PATCH] acornfb: Dont BUG() on invalid pan parameters The driver currently BUG()s if the pan parameters passed directly from userspace are invalid. Return -EINVAL instead. Signed-off-by: Laurent Pinchart Signed-off-by: Paul Mundt --- drivers/video/acornfb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/video/acornfb.c b/drivers/video/acornfb.c index 6183a57eb69d..3bacc1290548 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); -- 2.39.5