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From: York Sun <yorksun@freescale.com>
To: akpm@linux-foundation.org
Cc: linuxppc-dev@ozlabs.org, linux-fbdev-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org, York Sun <yorksun@freescale.com>
Subject: [PATCH 2/2] Bug fix. Add sanity check for AOI position
Date: Wed, 13 Aug 2008 15:55:04 -0500	[thread overview]
Message-ID: <1218660906446-git-send-email-yorksun@freescale.com> (raw)
In-Reply-To: <12186609063047-git-send-email-yorksun@freescale.com>

AOI position cannot be negative.

Signed-off-by: York Sun <yorksun@freescale.com>
---
 drivers/video/fsl-diu-fb.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index d67e79b..8898d2a 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -479,6 +479,10 @@ static void adjust_aoi_size_position(struct fb_var_screeninfo *var,
 	base_plane_width = machine_data->fsl_diu_info[0]->var.xres;
 	base_plane_height = machine_data->fsl_diu_info[0]->var.yres;
 
+	if (mfbi->x_aoi_d < 0)
+		mfbi->x_aoi_d = 0;
+	if (mfbi->y_aoi_d < 0)
+		mfbi->y_aoi_d = 0;
 	switch (index) {
 	case 0:
 		if (mfbi->x_aoi_d != 0)
-- 
1.5.2.2

      reply	other threads:[~2008-08-13 20:55 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-13 20:55 [PATCH 0/2] Add virtual resolution and panning for Freescale DIU York Sun
2008-08-13 20:55 ` [PATCH 1/2] Added virtual resolution and panning support York Sun
2008-08-13 20:55   ` York Sun [this message]

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