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-rw-r--r--drivers/media/video/saa7134/saa7134-core.c20
-rw-r--r--drivers/media/video/saa7134/saa7134-empress.c15
-rw-r--r--drivers/media/video/saa7134/saa7134-oss.c42
-rw-r--r--drivers/media/video/saa7134/saa7134-video.c22
4 files changed, 35 insertions, 64 deletions
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index 80f04f252fc..1a4a24471f2 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -890,7 +890,6 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
const struct pci_device_id *pci_id)
{
struct saa7134_dev *dev;
- struct list_head *item;
struct saa7134_mpeg_ops *mops;
int err;
@@ -1072,10 +1071,8 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
saa7134_devcount++;
mutex_lock(&devlist_lock);
- list_for_each(item,&mops_list) {
- mops = list_entry(item, struct saa7134_mpeg_ops, next);
+ list_for_each_entry(mops, &mops_list, next)
mpeg_ops_attach(mops, dev);
- }
list_add_tail(&dev->devlist,&saa7134_devlist);
mutex_unlock(&devlist_lock);
@@ -1109,7 +1106,6 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
{
struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
- struct list_head *item;
struct saa7134_mpeg_ops *mops;
/* Release DMA sound modules if present */
@@ -1138,10 +1134,8 @@ static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
/* unregister */
mutex_lock(&devlist_lock);
list_del(&dev->devlist);
- list_for_each(item,&mops_list) {
- mops = list_entry(item, struct saa7134_mpeg_ops, next);
+ list_for_each_entry(mops, &mops_list, next)
mpeg_ops_detach(mops, dev);
- }
mutex_unlock(&devlist_lock);
saa7134_devcount--;
@@ -1237,14 +1231,11 @@ static int saa7134_resume(struct pci_dev *pci_dev)
int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
{
- struct list_head *item;
struct saa7134_dev *dev;
mutex_lock(&devlist_lock);
- list_for_each(item,&saa7134_devlist) {
- dev = list_entry(item, struct saa7134_dev, devlist);
+ list_for_each_entry(dev, &saa7134_devlist, devlist)
mpeg_ops_attach(ops, dev);
- }
list_add_tail(&ops->next,&mops_list);
mutex_unlock(&devlist_lock);
return 0;
@@ -1252,15 +1243,12 @@ int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
{
- struct list_head *item;
struct saa7134_dev *dev;
mutex_lock(&devlist_lock);
list_del(&ops->next);
- list_for_each(item,&saa7134_devlist) {
- dev = list_entry(item, struct saa7134_dev, devlist);
+ list_for_each_entry(dev, &saa7134_devlist, devlist)
mpeg_ops_detach(ops, dev);
- }
mutex_unlock(&devlist_lock);
}
diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c
index a16df57af63..34ca874dd7f 100644
--- a/drivers/media/video/saa7134/saa7134-empress.c
+++ b/drivers/media/video/saa7134/saa7134-empress.c
@@ -76,17 +76,14 @@ static int ts_init_encoder(struct saa7134_dev* dev)
static int ts_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->empress_dev && h->empress_dev->minor == minor)
- dev = h;
- }
- if (NULL == dev)
- return -ENODEV;
+ list_for_each_entry(dev, &saa7134_devlist, devlist)
+ if (dev->empress_dev && dev->empress_dev->minor == minor)
+ goto found;
+ return -ENODEV;
+ found:
dprintk("open minor=%d\n",minor);
err = -EBUSY;
diff --git a/drivers/media/video/saa7134/saa7134-oss.c b/drivers/media/video/saa7134/saa7134-oss.c
index 1a737b64736..aedf04653e0 100644
--- a/drivers/media/video/saa7134/saa7134-oss.c
+++ b/drivers/media/video/saa7134/saa7134-oss.c
@@ -239,17 +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;
@@ -680,19 +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)
@@ -1022,18 +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;
diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c
index 7c97ac15e66..471b92793c1 100644
--- a/drivers/media/video/saa7134/saa7134-video.c
+++ b/drivers/media/video/saa7134/saa7134-video.c
@@ -1285,26 +1285,24 @@ static int saa7134_resource(struct saa7134_fh *fh)
static int video_open(struct inode *inode, struct file *file)
{
int minor = iminor(inode);
- struct saa7134_dev *h,*dev = NULL;
+ struct saa7134_dev *dev;
struct saa7134_fh *fh;
- struct list_head *list;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
int radio = 0;
- list_for_each(list,&saa7134_devlist) {
- h = list_entry(list, struct saa7134_dev, devlist);
- if (h->video_dev && (h->video_dev->minor == minor))
- dev = h;
- if (h->radio_dev && (h->radio_dev->minor == minor)) {
+ list_for_each_entry(dev, &saa7134_devlist, devlist) {
+ if (dev->video_dev && (dev->video_dev->minor == minor))
+ goto found;
+ if (dev->radio_dev && (dev->radio_dev->minor == minor)) {
radio = 1;
- dev = h;
+ goto found;
}
- if (h->vbi_dev && (h->vbi_dev->minor == minor)) {
+ if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) {
type = V4L2_BUF_TYPE_VBI_CAPTURE;
- dev = h;
+ goto found;
}
}
- if (NULL == dev)
- return -ENODEV;
+ return -ENODEV;
+ found:
dprintk("open minor=%d radio=%d type=%s\n",minor,radio,
v4l2_type_names[type]);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-30 04:43:29 +0000