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-rw-r--r--drivers/media/video/bt8xx/bttv-driver.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c
index af2c0c994186..79da9d01d715 100644
--- a/drivers/media/video/bt8xx/bttv-driver.c
+++ b/drivers/media/video/bt8xx/bttv-driver.c
@@ -3117,12 +3117,18 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop)
static int bttv_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
{
+ if (unlikely(a->index))
+ return -EINVAL;
+
strcpy(a->name, "audio");
return 0;
}
static int bttv_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
{
+ if (unlikely(a->index))
+ return -EINVAL;
+
return 0;
}
@@ -3510,7 +3516,7 @@ static int radio_enum_input(struct file *file, void *priv,
return -EINVAL;
strcpy(i->name, "Radio");
- i->type = V4L2_INPUT_TYPE_TUNER;
+ i->type = V4L2_INPUT_TYPE_TUNER;
return 0;
}
@@ -3518,10 +3524,9 @@ static int radio_enum_input(struct file *file, void *priv,
static int radio_g_audio(struct file *file, void *priv,
struct v4l2_audio *a)
{
- if (a->index != 0)
+ if (unlikely(a->index))
return -EINVAL;
- memset(a, 0, sizeof(*a));
strcpy(a->name, "Radio");
return 0;
@@ -3543,11 +3548,17 @@ static int radio_s_tuner(struct file *file, void *priv,
static int radio_s_audio(struct file *file, void *priv,
struct v4l2_audio *a)
{
+ if (unlikely(a->index))
+ return -EINVAL;
+
return 0;
}
static int radio_s_input(struct file *filp, void *priv, unsigned int i)
{
+ if (unlikely(i))
+ return -EINVAL;
+
return 0;
}