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author | Anton Altaparmakov <aia21@cantab.net> | 2006-03-23 14:50:51 +0000 |
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committer | Anton Altaparmakov <aia21@cantab.net> | 2006-03-23 14:50:51 +0000 |
commit | b4d8d1a93c6ea042b29bb66fbb1cf6bc556c18f7 (patch) | |
tree | 030ef62361042d1a034087ad9a726db3b57bba72 /drivers/usb/media/se401.c | |
parent | bb8047d3540affd6b8c2adac3fe792e07143be0f (diff) | |
parent | 2e6e33bab6e1996a5dec9108fb467b52b841e7a8 (diff) | |
download | linux-b4d8d1a93c6ea042b29bb66fbb1cf6bc556c18f7.tar.gz |
Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'drivers/usb/media/se401.c')
-rw-r--r-- | drivers/usb/media/se401.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/usb/media/se401.c b/drivers/usb/media/se401.c index 2ba562285fda..f03ea7f89596 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; } @@ -1345,13 +1345,11 @@ static int se401_probe(struct usb_interface *intf, /* We found one */ info("SE401 camera found: %s", camera_name); - if ((se401 = kmalloc(sizeof(*se401), GFP_KERNEL)) == NULL) { + if ((se401 = kzalloc(sizeof(*se401), GFP_KERNEL)) == NULL) { err("couldn't kmalloc se401 struct"); return -ENOMEM; } - memset(se401, 0, sizeof(*se401)); - se401->dev = dev; se401->iface = interface->bInterfaceNumber; se401->camera_name = camera_name; @@ -1366,7 +1364,7 @@ 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) { |