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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 10:31:17 +0200 |
| commit | 1d4b695fa32b707b40fe2dab6a21a39bd91f4615 (patch) | |
| tree | 7f41d31d2f4a886da057bbbddec3ac11f2f0b2ef /drivers/video/gxt4500.c | |
| parent | d8344e090c5adff3290925cbb040d20133b7f586 (diff) | |
| download | linux-3.10-1d4b695fa32b707b40fe2dab6a21a39bd91f4615.tar.gz linux-3.10-1d4b695fa32b707b40fe2dab6a21a39bd91f4615.tar.bz2 linux-3.10-1d4b695fa32b707b40fe2dab6a21a39bd91f4615.zip | |
gxt4500: 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>
Diffstat (limited to 'drivers/video/gxt4500.c')
| -rw-r--r-- | drivers/video/gxt4500.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/gxt4500.c b/drivers/video/gxt4500.c index 896e53dea90..0fad23f810a 100644 --- a/drivers/video/gxt4500.c +++ b/drivers/video/gxt4500.c @@ -543,8 +543,8 @@ static int gxt4500_pan_display(struct fb_var_screeninfo *var, if (var->xoffset & 7) return -EINVAL; - if (var->xoffset + var->xres > var->xres_virtual || - var->yoffset + var->yres > var->yres_virtual) + if (var->xoffset + info->var.xres > info->var.xres_virtual || + var->yoffset + info->var.yres > info->var.yres_virtual) return -EINVAL; writereg(par, REFRESH_START, (var->xoffset << 16) | var->yoffset); |