* [PATCH 02/29] acornfb: Dont BUG() on invalid pan parameters
@ 2011-05-25 22:57 Laurent Pinchart
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From: Laurent Pinchart @ 2011-05-25 22:57 UTC (permalink / raw)
To: linux-fbdev
The driver currently BUG()s if the pan parameters passed directly from
userspace are invalid. Return -EINVAL instead.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
drivers/video/acornfb.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/video/acornfb.c b/drivers/video/acornfb.c
index 6183a57..3bacc12 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);
--
1.7.3.4
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2011-05-25 22:57 [PATCH 02/29] acornfb: Dont BUG() on invalid pan parameters Laurent Pinchart
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