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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-05-25 11:34:52 +0200
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-08-19 10:34:01 +0200
commit01cba946e38eaa7071fd6fc756eedeecfcec3dd6 (patch)
tree38ee51e7e4a7746cc393b52c42afff3ea176f6f4
parentpm2fb: use display information in info not in var for panning (diff)
downloadlinux-01cba946e38eaa7071fd6fc756eedeecfcec3dd6.tar.xz
linux-01cba946e38eaa7071fd6fc756eedeecfcec3dd6.zip
pm3fb: 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>
-rw-r--r--drivers/video/pm3fb.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/pm3fb.c b/drivers/video/pm3fb.c
index 6666f45a2f8c..8221b5b42da9 100644
--- a/drivers/video/pm3fb.c
+++ b/drivers/video/pm3fb.c
@@ -1147,9 +1147,9 @@ static int pm3fb_pan_display(struct fb_var_screeninfo *var,
struct fb_info *info)
{
struct pm3_par *par = info->par;
- const u32 xres = (var->xres + 31) & ~31;
+ const u32 xres = (info->var.xres + 31) & ~31;
- par->base = pm3fb_shift_bpp(var->bits_per_pixel,
+ par->base = pm3fb_shift_bpp(info->var.bits_per_pixel,
(var->yoffset * xres)
+ var->xoffset);
PM3_WAIT(par, 1);