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

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

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",