diff options
| author | Arjan van de Ven <arjan@infradead.org> | 2006-01-11 15:55:29 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-03-20 14:49:55 -0800 |
| commit | 4186ecf8ad16dd05759a09594de6a87e48759ba6 (patch) | |
| tree | 3ee5292d9f4a36e3eb359b586289ec972bcbaf39 /drivers/usb/media/se401.c | |
| parent | 35cce732d9d4d9af6b4ad4d26d8f8c0eddb573a2 (diff) | |
[PATCH] USB: convert a bunch of USB semaphores to mutexes
the patch below converts a bunch of semaphores-used-as-mutex in the USB
code to mutexes
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/media/se401.c')
| -rw-r--r-- | drivers/usb/media/se401.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/usb/media/se401.c b/drivers/usb/media/se401.c index 2ba562285fda..8c3b1ad8a8fd 100644 --- a/drivers/usb/media/se401.c +++ b/drivers/usb/media/se401.c @@ -1157,21 +1157,21 @@ static int se401_mmap(struct file *file, struct vm_area_struct *vma) unsigned long size = vma->vm_end-vma->vm_start; unsigned long page, pos; - down(&se401->lock); + mutex_lock(&se401->lock); if (se401->dev == NULL) { - up(&se401->lock); + mutex_unlock(&se401->lock); return -EIO; } if (size > (((SE401_NUMFRAMES * se401->maxframesize) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))) { - up(&se401->lock); + mutex_unlock(&se401->lock); return -EINVAL; } pos = (unsigned long)se401->fbuf; while (size > 0) { page = vmalloc_to_pfn((void *)pos); if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) { - up(&se401->lock); + mutex_unlock(&se401->lock); return -EAGAIN; } start += PAGE_SIZE; @@ -1181,7 +1181,7 @@ static int se401_mmap(struct file *file, struct vm_area_struct *vma) else size = 0; } - up(&se401->lock); + mutex_unlock(&se401->lock); return 0; } @@ -1366,7 +1366,7 @@ static int se401_probe(struct usb_interface *intf, memcpy(&se401->vdev, &se401_template, sizeof(se401_template)); memcpy(se401->vdev.name, se401->camera_name, strlen(se401->camera_name)); init_waitqueue_head(&se401->wq); - init_MUTEX(&se401->lock); + mutex_init(&se401->lock); wmb(); if (video_register_device(&se401->vdev, VFL_TYPE_GRABBER, video_nr) == -1) { |