pm2fb: use display information in info not in var for panning

Started by Laurent Pinchart on May 25, 2011

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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>
Cc: Krzysztof Helt <redacted>
---
 drivers/video/pm2fb.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/video/pm2fb.c b/drivers/video/pm2fb.c
index 27f93aa..f4f8ce8 100644
--- a/drivers/video/pm2fb.c
+++ b/drivers/video/pm2fb.c
@@ -973,8 +973,8 @@ static int pm2fb_pan_display(struct fb_var_screeninfo *var,
 {
 	struct pm2fb_par *p = info->par;
 	u32 base;
-	u32 depth = (var->bits_per_pixel + 7) & ~7;
-	u32 xres = (var->xres + 31) & ~31;
+	u32 depth = (info->var.bits_per_pixel + 7) & ~7;
+	u32 xres = (info->var.xres + 31) & ~31;
 
 	depth = (depth > 32) ? 32 : depth;
 	base = to3264(var->yoffset * xres + var->xoffset, depth, 1);
-- 
1.7.3.4
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