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path: root/drivers/media/video/saa7134/saa7134-oss.c
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Diffstat (limited to 'drivers/media/video/saa7134/saa7134-oss.c')
-rw-r--r--drivers/media/video/saa7134/saa7134-oss.c43
1 files changed, 15 insertions, 28 deletions
diff --git a/drivers/media/video/saa7134/saa7134-oss.c b/drivers/media/video/saa7134/saa7134-oss.c
index 72444f0..aedf046 100644
--- a/drivers/media/video/saa7134/saa7134-oss.c
+++ b/drivers/media/video/saa7134/saa7134-oss.c
@@ -25,7 +25,6 @@
#include <linux/init.h>
#include <linux/list.h>
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
@@ -240,17 +239,14 @@ static int dsp_rec_stop(struct saa7134_dev *dev)
static int dsp_open(struct inode *inode, struct file *file)
{
int minor = iminor(inode);
- struct saa7134_dev *h,*dev = NULL;
- struct list_head *list;
+ struct saa7134_dev *dev;
int err;
- list_for_each(list,&saa7134_devlist) {
- h = list_entry(list, struct saa7134_dev, devlist);
- if (h->dmasound.minor_dsp == minor)
- dev = h;
- }
- if (NULL == dev)
- return -ENODEV;
+ list_for_each_entry(dev, &saa7134_devlist, devlist)
+ if (dev->dmasound.minor_dsp == minor)
+ goto found;
+ return -ENODEV;
+ found:
mutex_lock(&dev->dmasound.lock);
err = -EBUSY;
@@ -681,19 +677,14 @@ mixer_level(struct saa7134_dev *dev, enum saa7134_audio_in src, int level)
static int mixer_open(struct inode *inode, struct file *file)
{
int minor = iminor(inode);
- struct saa7134_dev *h,*dev = NULL;
- struct list_head *list;
+ struct saa7134_dev *dev;
- list_for_each(list,&saa7134_devlist) {
- h = list_entry(list, struct saa7134_dev, devlist);
- if (h->dmasound.minor_mixer == minor)
- dev = h;
- }
- if (NULL == dev)
- return -ENODEV;
-
- file->private_data = dev;
- return 0;
+ list_for_each_entry(dev, &saa7134_devlist, devlist)
+ if (dev->dmasound.minor_mixer == minor) {
+ file->private_data = dev;
+ return 0;
+ }
+ return -ENODEV;
}
static int mixer_release(struct inode *inode, struct file *file)
@@ -1023,18 +1014,14 @@ static int saa7134_oss_init(void)
static void saa7134_oss_exit(void)
{
- struct saa7134_dev *dev = NULL;
- struct list_head *list;
-
- list_for_each(list,&saa7134_devlist) {
- dev = list_entry(list, struct saa7134_dev, devlist);
+ struct saa7134_dev *dev;
+ list_for_each_entry(dev, &saa7134_devlist, devlist) {
/* Device isn't registered by OSS, probably ALSA's */
if (!dev->dmasound.minor_dsp)
continue;
oss_device_exit(dev);
-
}
saa7134_dmasound_init = NULL;