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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-05-25 13:43:53 +0200 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-08-19 10:29:23 +0200 |
| commit | 3846e93a65b1a127f59203606c0e92dd22f08782 (patch) | |
| tree | 8cca271ca9ab3fd4133754f14ca1e8a8a95c8b5a | |
| parent | 68328fb: use display information in info not in var for panning (diff) | |
| download | linux-3846e93a65b1a127f59203606c0e92dd22f08782.tar.xz linux-3846e93a65b1a127f59203606c0e92dd22f08782.zip | |
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>
| -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 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); |