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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-06-14 09:24:45 +0000
committerPaul Mundt <lethal@linux-sh.org>2011-06-15 15:04:49 +0900
commite6c4d3d43d4d00a0ed945c77e6b89c74b38120d7 (patch)
tree7da2ec2a8efe9d56f9136a5d2110448cbf3ddef2
parent3478b1cd43284ef798974384ba894eadc37fc1d9 (diff)
fbdev: da8xx: 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: Sudhakar Rajashekhara <sudhakar.raj@ti.com> Cc: Martin Ambrose <martin@ti.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r--drivers/video/da8xx-fb.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index fcdac872522d..8d4e4ebd9977 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -877,8 +877,8 @@ static int da8xx_pan_display(struct fb_var_screeninfo *var,
start = fix->smem_start +
new_var.yoffset * fix->line_length +
- new_var.xoffset * var->bits_per_pixel / 8;
- end = start + var->yres * fix->line_length - 1;
+ new_var.xoffset * fbi->var.bits_per_pixel / 8;
+ end = start + fbi->var.yres * fix->line_length - 1;
par->dma_start = start;
par->dma_end = end;
}