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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-06-14 11:25:02 +0200
committerPaul Mundt <lethal@linux-sh.org>2011-06-15 08:03:50 +0200
commite4c735af0076923643af48577fc9ad6e123a55fa (patch)
tree4027b8ff5d481b0cd226020f3c287736b470bdb1
parentintelfb: use display information in info not in var for panning (diff)
downloadlinux-e4c735af0076923643af48577fc9ad6e123a55fa.tar.xz
linux-e4c735af0076923643af48577fc9ad6e123a55fa.zip
tridentfb: 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> Cc: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r--drivers/video/tridentfb.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c
index c6c77562839d..34cf019bba44 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;