From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Date: Tue, 14 Jun 2011 09:25:02 +0000 Subject: [PATCH v2 24/29] tridentfb: use display information in info not in var for panning Message-Id: <1308043507-11083-25-git-send-email-laurent.pinchart@ideasonboard.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-fbdev@vger.kernel.org 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 Cc: Krzysztof Helt --- drivers/video/tridentfb.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c index c6c7756..34cf019 100644 --- a/drivers/video/tridentfb.c +++ b/drivers/video/tridentfb.c @@ -987,8 +987,8 @@ static int tridentfb_pan_display(struct fb_var_screeninfo *var, unsigned int offset; debug("enter\n"); - offset = (var->xoffset + (var->yoffset * var->xres_virtual)) - * var->bits_per_pixel / 32; + offset = (var->xoffset + (var->yoffset * info->var.xres_virtual)) + * info->var.bits_per_pixel / 32; set_screen_start(par, offset); debug("exit\n"); return 0; -- 1.7.3.4