diff options
author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2006-03-20 13:59:42 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-03-24 16:26:52 -0300 |
commit | 2ae151911e31e6a012a46431cc515cc251242573 (patch) | |
tree | b0c10dad3622738f9f3e08d14f817d53c143dd59 /drivers/media/video/cpia2/cpia2_v4l.c | |
parent | bc2c7c365bd18c00f5fefaf1a560c440f3ce13f3 (diff) |
V4L/DVB (3569): PATCH: switch cpia2 to mutexes and use ioctl 32 compat lib func
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cpia2/cpia2_v4l.c')
-rw-r--r-- | drivers/media/video/cpia2/cpia2_v4l.c | 43 |
1 files changed, 22 insertions, 21 deletions
diff --git a/drivers/media/video/cpia2/cpia2_v4l.c b/drivers/media/video/cpia2/cpia2_v4l.c index 08f8be345fa8..481e178ef56d 100644 --- a/drivers/media/video/cpia2/cpia2_v4l.c +++ b/drivers/media/video/cpia2/cpia2_v4l.c @@ -255,7 +255,7 @@ static int cpia2_open(struct inode *inode, struct file *file) return -ENODEV; } - if(down_interruptible(&cam->busy_lock)) + if(mutex_lock_interruptible(&cam->busy_lock)) return -ERESTARTSYS; if(!cam->present) { @@ -299,7 +299,7 @@ skip_init: cpia2_dbg_dump_registers(cam); err_return: - up(&cam->busy_lock); + mutex_unlock(&cam->busy_lock); return retval; } @@ -314,7 +314,7 @@ static int cpia2_close(struct inode *inode, struct file *file) struct camera_data *cam = video_get_drvdata(dev); struct cpia2_fh *fh = file->private_data; - down(&cam->busy_lock); + mutex_lock(&cam->busy_lock); if (cam->present && (cam->open_count == 1 @@ -347,7 +347,7 @@ static int cpia2_close(struct inode *inode, struct file *file) } } - up(&cam->busy_lock); + mutex_unlock(&cam->busy_lock); return 0; } @@ -523,11 +523,11 @@ static int sync(struct camera_data *cam, int frame_nr) return 0; } - up(&cam->busy_lock); + mutex_unlock(&cam->busy_lock); wait_event_interruptible(cam->wq_stream, !cam->streaming || frame->status == FRAME_READY); - down(&cam->busy_lock); + mutex_lock(&cam->busy_lock); if (signal_pending(current)) return -ERESTARTSYS; if(!cam->present) @@ -1544,11 +1544,11 @@ static int ioctl_dqbuf(void *arg,struct camera_data *cam, struct file *file) if(frame < 0) { /* Wait for a frame to become available */ struct framebuf *cb=cam->curbuff; - up(&cam->busy_lock); + mutex_unlock(&cam->busy_lock); wait_event_interruptible(cam->wq_stream, !cam->present || (cb=cam->curbuff)->status == FRAME_READY); - down(&cam->busy_lock); + mutex_lock(&cam->busy_lock); if (signal_pending(current)) return -ERESTARTSYS; if(!cam->present) @@ -1591,11 +1591,11 @@ static int cpia2_do_ioctl(struct inode *inode, struct file *file, return -ENOTTY; /* make this _really_ smp-safe */ - if (down_interruptible(&cam->busy_lock)) + if (mutex_lock_interruptible(&cam->busy_lock)) return -ERESTARTSYS; if (!cam->present) { - up(&cam->busy_lock); + mutex_unlock(&cam->busy_lock); return -ENODEV; } @@ -1608,7 +1608,7 @@ static int cpia2_do_ioctl(struct inode *inode, struct file *file, struct cpia2_fh *fh = file->private_data; retval = v4l2_prio_check(&cam->prio, &fh->prio); if(retval) { - up(&cam->busy_lock); + mutex_unlock(&cam->busy_lock); return retval; } break; @@ -1618,7 +1618,7 @@ static int cpia2_do_ioctl(struct inode *inode, struct file *file, { struct cpia2_fh *fh = file->private_data; if(fh->prio != V4L2_PRIORITY_RECORD) { - up(&cam->busy_lock); + mutex_unlock(&cam->busy_lock); return -EBUSY; } break; @@ -1847,7 +1847,7 @@ static int cpia2_do_ioctl(struct inode *inode, struct file *file, break; } - up(&cam->busy_lock); + mutex_unlock(&cam->busy_lock); return retval; } @@ -1924,14 +1924,15 @@ static void reset_camera_struct_v4l(struct camera_data *cam) * The v4l video device structure initialized for this device ***/ static struct file_operations fops_template = { - .owner= THIS_MODULE, - .open= cpia2_open, - .release= cpia2_close, - .read= cpia2_v4l_read, - .poll= cpia2_v4l_poll, - .ioctl= cpia2_ioctl, - .llseek= no_llseek, - .mmap= cpia2_mmap, + .owner = THIS_MODULE, + .open = cpia2_open, + .release = cpia2_close, + .read = cpia2_v4l_read, + .poll = cpia2_v4l_poll, + .ioctl = cpia2_ioctl, + .llseek = no_llseek, + .compat_ioctl = v4l_compat_ioctl32, + .mmap = cpia2_mmap, }; static struct video_device cpia2_template = { |