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@xxxxxxxxxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> --- 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 896e53d..0fad23f 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); -- 1.7.3.4 -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
