diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 80f04f252fce..1a4a24471f20 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 a16df57af63a..34ca874dd7fe 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 1a737b647366..aedf04653e0e 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 7c97ac15e665..471b92793c12 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]);