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authorMauro Carvalho Chehab <mchehab@infradead.org>2006-11-20 16:10:43 +0100
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-12-10 12:04:59 +0100
commit7964b1b1c27dea88eb89b10f774893ec11cf973d (patch)
tree31778358758d9cb6c23a0f32a034f116a85ac47d /drivers/media/video/videodev.c
parentV4L/DVB (4858): Fix: implement missing VIDIOCSTUNER on v4l1-compat module (diff)
downloadlinux-7964b1b1c27dea88eb89b10f774893ec11cf973d.tar.xz
linux-7964b1b1c27dea88eb89b10f774893ec11cf973d.zip
V4L/DVB (4859): Fix initializations on some video_ioctl2 handlers
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/videodev.c')
-rw-r--r--drivers/media/video/videodev.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index 41ec0c4b35a2..9024ea2557fd 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",