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path: root/drivers/media/radio/radio-wl1273.c
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Diffstat (limited to 'drivers/media/radio/radio-wl1273.c')
-rw-r--r--drivers/media/radio/radio-wl1273.c32
1 files changed, 13 insertions, 19 deletions
diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c
index e8428f573cc..9b0c9fa0beb 100644
--- a/drivers/media/radio/radio-wl1273.c
+++ b/drivers/media/radio/radio-wl1273.c
@@ -1479,7 +1479,7 @@ static int wl1273_fm_vidioc_g_audio(struct file *file, void *priv,
}
static int wl1273_fm_vidioc_s_audio(struct file *file, void *priv,
- struct v4l2_audio *audio)
+ const struct v4l2_audio *audio)
{
struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
@@ -1682,7 +1682,7 @@ static int wl1273_fm_vidioc_s_frequency(struct file *file, void *priv,
#define WL1273_DEFAULT_SEEK_LEVEL 7
static int wl1273_fm_vidioc_s_hw_freq_seek(struct file *file, void *priv,
- struct v4l2_hw_freq_seek *seek)
+ const struct v4l2_hw_freq_seek *seek)
{
struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
struct wl1273_core *core = radio->core;
@@ -1693,6 +1693,9 @@ static int wl1273_fm_vidioc_s_hw_freq_seek(struct file *file, void *priv,
if (seek->tuner != 0 || seek->type != V4L2_TUNER_RADIO)
return -EINVAL;
+ if (file->f_flags & O_NONBLOCK)
+ return -EWOULDBLOCK;
+
if (mutex_lock_interruptible(&core->lock))
return -EINTR;
@@ -1715,7 +1718,7 @@ out:
}
static int wl1273_fm_vidioc_s_modulator(struct file *file, void *priv,
- struct v4l2_modulator *modulator)
+ const struct v4l2_modulator *modulator)
{
struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
struct wl1273_core *core = radio->core;
@@ -1983,9 +1986,6 @@ static int wl1273_fm_radio_remove(struct platform_device *pdev)
v4l2_ctrl_handler_free(&radio->ctrl_handler);
video_unregister_device(&radio->videodev);
v4l2_device_unregister(&radio->v4l2dev);
- kfree(radio->buffer);
- kfree(radio->write_buf);
- kfree(radio);
return 0;
}
@@ -2005,7 +2005,7 @@ static int __devinit wl1273_fm_radio_probe(struct platform_device *pdev)
goto pdata_err;
}
- radio = kzalloc(sizeof(*radio), GFP_KERNEL);
+ radio = devm_kzalloc(&pdev->dev, sizeof(*radio), GFP_KERNEL);
if (!radio) {
r = -ENOMEM;
goto pdata_err;
@@ -2013,11 +2013,11 @@ static int __devinit wl1273_fm_radio_probe(struct platform_device *pdev)
/* RDS buffer allocation */
radio->buf_size = rds_buf * RDS_BLOCK_SIZE;
- radio->buffer = kmalloc(radio->buf_size, GFP_KERNEL);
+ radio->buffer = devm_kzalloc(&pdev->dev, radio->buf_size, GFP_KERNEL);
if (!radio->buffer) {
pr_err("Cannot allocate memory for RDS buffer.\n");
r = -ENOMEM;
- goto err_kmalloc;
+ goto pdata_err;
}
radio->core = *core;
@@ -2043,7 +2043,7 @@ static int __devinit wl1273_fm_radio_probe(struct platform_device *pdev)
if (r) {
dev_err(radio->dev, WL1273_FM_DRIVER_NAME
": Cannot get platform data\n");
- goto err_resources;
+ goto pdata_err;
}
dev_dbg(radio->dev, "irq: %d\n", radio->core->client->irq);
@@ -2061,13 +2061,13 @@ static int __devinit wl1273_fm_radio_probe(struct platform_device *pdev)
dev_err(radio->dev, WL1273_FM_DRIVER_NAME ": Core WL1273 IRQ"
" not configured");
r = -EINVAL;
- goto err_resources;
+ goto pdata_err;
}
init_completion(&radio->busy);
init_waitqueue_head(&radio->read_queue);
- radio->write_buf = kmalloc(256, GFP_KERNEL);
+ radio->write_buf = devm_kzalloc(&pdev->dev, 256, GFP_KERNEL);
if (!radio->write_buf) {
r = -ENOMEM;
goto write_buf_err;
@@ -2080,7 +2080,7 @@ static int __devinit wl1273_fm_radio_probe(struct platform_device *pdev)
r = v4l2_device_register(&pdev->dev, &radio->v4l2dev);
if (r) {
dev_err(&pdev->dev, "Cannot register v4l2_device.\n");
- goto device_register_err;
+ goto write_buf_err;
}
/* V4L2 configuration */
@@ -2135,16 +2135,10 @@ static int __devinit wl1273_fm_radio_probe(struct platform_device *pdev)
handler_init_err:
v4l2_ctrl_handler_free(&radio->ctrl_handler);
v4l2_device_unregister(&radio->v4l2dev);
-device_register_err:
- kfree(radio->write_buf);
write_buf_err:
free_irq(radio->core->client->irq, radio);
err_request_irq:
radio->core->pdata->free_resources();
-err_resources:
- kfree(radio->buffer);
-err_kmalloc:
- kfree(radio);
pdata_err:
return r;
}