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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-05-25 11:34:52 +0200 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-08-19 10:31:01 +0200 |
| commit | 465cb7e700e8564fd2d76d5c7f3703eb07659617 (patch) | |
| tree | 9f4c8df143a71eac0e61515aab660b650241cd48 | |
| parent | 8b76c6827991858a52841b6c20fea91a12499d6f (diff) | |
| download | linux-3.10-465cb7e700e8564fd2d76d5c7f3703eb07659617.tar.gz linux-3.10-465cb7e700e8564fd2d76d5c7f3703eb07659617.tar.bz2 linux-3.10-465cb7e700e8564fd2d76d5c7f3703eb07659617.zip | |
fbdev: unicore32: use display information in info not in var for panning
We must not use any information in the passed var besides xoffset,
yoffset and vmode as otherwise applications might abuse it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
| -rw-r--r-- | drivers/video/fb-puv3.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/fb-puv3.c b/drivers/video/fb-puv3.c index 27f2c57e06e..60a787fa32c 100644 --- a/drivers/video/fb-puv3.c +++ b/drivers/video/fb-puv3.c @@ -624,8 +624,8 @@ static int unifb_pan_display(struct fb_var_screeninfo *var, || var->xoffset) return -EINVAL; } else { - if (var->xoffset + var->xres > info->var.xres_virtual || - var->yoffset + var->yres > info->var.yres_virtual) + if (var->xoffset + info->var.xres > info->var.xres_virtual || + var->yoffset + info->var.yres > info->var.yres_virtual) return -EINVAL; } info->var.xoffset = var->xoffset; |