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path: root/drivers/media/radio/radio-tea5764.c
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Diffstat (limited to 'drivers/media/radio/radio-tea5764.c')
-rw-r--r--drivers/media/radio/radio-tea5764.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/media/radio/radio-tea5764.c b/drivers/media/radio/radio-tea5764.c
index 3cd76dddb6a..8e718bfcdad 100644
--- a/drivers/media/radio/radio-tea5764.c
+++ b/drivers/media/radio/radio-tea5764.c
@@ -314,7 +314,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
if (v->index > 0)
return -EINVAL;
- memset(v, 0, sizeof(v));
+ memset(v, 0, sizeof(*v));
strcpy(v->name, "FM");
v->type = V4L2_TUNER_RADIO;
tea5764_i2c_read(radio);
@@ -349,7 +349,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
{
struct tea5764_device *radio = video_drvdata(file);
- if (f->tuner != 0)
+ if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
return -EINVAL;
if (f->frequency == 0) {
/* We special case this as a power down control. */
@@ -370,8 +370,10 @@ static int vidioc_g_frequency(struct file *file, void *priv,
struct tea5764_device *radio = video_drvdata(file);
struct tea5764_regs *r = &radio->regs;
+ if (f->tuner != 0)
+ return -EINVAL;
tea5764_i2c_read(radio);
- memset(f, 0, sizeof(f));
+ memset(f, 0, sizeof(*f));
f->type = V4L2_TUNER_RADIO;
if (r->tnctrl & TEA5764_TNCTRL_PUPD0)
f->frequency = (tea5764_get_freq(radio) * 2) / 125;
@@ -458,12 +460,8 @@ static int vidioc_s_audio(struct file *file, void *priv,
static int tea5764_open(struct file *file)
{
/* Currently we support only one device */
- int minor = video_devdata(file)->minor;
struct tea5764_device *radio = video_drvdata(file);
- if (radio->videodev->minor != minor)
- return -ENODEV;
-
mutex_lock(&radio->mutex);
/* Only exclusive access */
if (radio->users) {