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[v2,26/29] vga16fb: use display information in info not in var for panning

Message ID 1308043507-11083-27-git-send-email-laurent.pinchart@ideasonboard.com (mailing list archive)
State Accepted
Commit 4d3c68a1b468741fcebfbfb0b92ff9e75a063484
Headers show

Commit Message

Laurent Pinchart June 14, 2011, 9:25 a.m. UTC
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: Antonino A. Daplas <adaplas@gmail.com>
---
 drivers/video/vga16fb.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
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Patch

diff --git a/drivers/video/vga16fb.c b/drivers/video/vga16fb.c
index 53b2c5a..148b3ee 100644
--- a/drivers/video/vga16fb.c
+++ b/drivers/video/vga16fb.c
@@ -207,7 +207,7 @@  static void vga16fb_pan_var(struct fb_info *info,
 	 * granularity if someone supports xoffset in bit resolution */
 	vga_io_r(VGA_IS1_RC);		/* reset flip-flop */
 	vga_io_w(VGA_ATT_IW, VGA_ATC_PEL);
-	if (var->bits_per_pixel == 8)
+	if (info->var.bits_per_pixel == 8)
 		vga_io_w(VGA_ATT_IW, (xoffset & 3) << 1);
 	else
 		vga_io_w(VGA_ATT_IW, xoffset & 7);