From: Mauro Carvalho Chehab <mchehab@infradead.org>
Date: Mon, 20 Nov 2006 15:10:43 +0000 (-0300)
Subject: V4L/DVB (4859): Fix initializations on some video_ioctl2 handlers
X-Git-Tag: v2.6.20-rc1~145^2~5^2~72
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7964b1b1c27dea88eb89b10f774893ec11cf973d;p=linux-2.6

V4L/DVB (4859): Fix initializations on some video_ioctl2 handlers

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---

diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index 41ec0c4b35..9024ea2557 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -1088,9 +1088,13 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
 	case VIDIOC_G_AUDIO:
 	{
 		struct v4l2_audio *p=arg;
+		__u32 index=p->index;
 
 		if (!vfd->vidioc_g_audio)
 			break;
+
+		memset(p,0,sizeof(*p));
+		p->index=index;
 		dbgarg(cmd, "Get for index=%d\n", p->index);
 		ret=vfd->vidioc_g_audio(file, fh, p);
 		if (!ret)
@@ -1329,8 +1333,14 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
 	case VIDIOC_G_TUNER:
 	{
 		struct v4l2_tuner *p=arg;
+		__u32 index=p->index;
+
 		if (!vfd->vidioc_g_tuner)
 			break;
+
+		memset(p,0,sizeof(*p));
+		p->index=index;
+
 		ret=vfd->vidioc_g_tuner(file, fh, p);
 		if (!ret)
 			dbgarg (cmd, "index=%d, name=%s, type=%d, "
@@ -1363,6 +1373,9 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
 		struct v4l2_frequency *p=arg;
 		if (!vfd->vidioc_g_frequency)
 			break;
+
+		memset(p,0,sizeof(*p));
+
 		ret=vfd->vidioc_g_frequency(file, fh, p);
 		if (!ret)
 			dbgarg (cmd, "tuner=%d, type=%d, frequency=%d\n",