[PATCH] V4L2: clear buf when vrfb buf not allocated

[Y, Kishore]

>From 15246e4dfa6853d9aef48a4b8633f93efe40ed81 Mon Sep 17 00:00:00 2001
From: Kishore Y <kishor...@ti.com>
Date: Thu, 12 Nov 2009 20:47:58 +0530
Subject: [PATCH] V4L2: clear buf when vrfb buf not allocated

        buffer memory is set to 0 only for the first time
before the vrfb buffer is allocated

Signed-off-by:  Kishore Y <kishor...@ti.com>
---
This patch is dependent on the patch
[PATCH 4/4] OMAP2/3 V4L2: Add support for OMAP2/3 V4L2 driver on top of DSS2

 drivers/media/video/omap/omap_vout.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/media/video/omap/omap_vout.c 
b/drivers/media/video/omap/omap_vout.c
index 7092ef2..0a9fdd7 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -223,9 +223,11 @@ static int omap_vout_allocate_vrfb_buffers(struct 
omap_vout_device *vout,
                unsigned int *count, int startindex)
 {
        int i, j;
+       int buffer_set;
 
        for (i = 0; i < *count; i++) {
-               if (!vout->smsshado_virt_addr[i]) {
+               buffer_set = vout->smsshado_virt_addr[i];
+               if (!buffer_set) {
                        vout->smsshado_virt_addr[i] =
                                omap_vout_alloc_buffer(vout->smsshado_size,
                                                &vout->smsshado_phy_addr[i]);
@@ -247,8 +249,10 @@ static int omap_vout_allocate_vrfb_buffers(struct 
omap_vout_device *vout,
                        *count = 0;
                        return -ENOMEM;
                }
-               memset((void *) vout->smsshado_virt_addr[i], 0,
-                               vout->smsshado_size);
+               if (!buffer_set) {
+                       memset((void *) vout->smsshado_virt_addr[i], 0,
+                                       vout->smsshado_size);
+               }
        }
        return 0;
 }
-- 
1.5.4.3


Regards,
Kishore Y
Ph:- +918039813085

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