diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-06-14 09:24:40 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-06-15 15:02:59 +0900 |
| commit | a1bb7010d494d3fcde3814d7a8ac609f1dff96ee (patch) | |
| tree | 83bb264f00fa09d59e6b79b0285443e46859923e | |
| parent | c42a3d543d2bbd2cb72c7179234358a4a33a583d (diff) | |
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 <laurent.pinchart@ideasonboard.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| -rw-r--r-- | 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 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); |