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[v2,16/29] neofb: use display information in info not in var for panning

Message ID 1308043507-11083-17-git-send-email-laurent.pinchart@ideasonboard.com (mailing list archive)
State Accepted
Commit 2bdb0278eec7bb466d2b1b31ecf6e48f10b34fbf
Headers show

Commit Message

Laurent Pinchart June 14, 2011, 9:24 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: Krzysztof Helt <krzysztof.h1@wp.pl>
---
 drivers/video/neofb.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c
index 588527a..feea7b1 100644
--- a/drivers/video/neofb.c
+++ b/drivers/video/neofb.c
@@ -1185,8 +1185,8 @@  static int neofb_pan_display(struct fb_var_screeninfo *var,
 
 	DBG("neofb_update_start");
 
-	Base = (var->yoffset * var->xres_virtual + var->xoffset) >> 2;
-	Base *= (var->bits_per_pixel + 7) / 8;
+	Base = (var->yoffset * info->var.xres_virtual + var->xoffset) >> 2;
+	Base *= (info->var.bits_per_pixel + 7) / 8;
 
 	neoUnlock();