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68328fb: use display information in info not in var for panning

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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>
This commit is contained in:
Laurent Pinchart 2011-05-25 11:34:52 +02:00
parent 93ee7a9340
commit 2e1e5979bb
1 changed files with 2 additions and 2 deletions
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4
drivers/video/68328fb.c
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@ -378,8 +378,8 @@ static int mc68x328fb_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;