diff options
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-video.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-video.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 3323dffe26a4..eea304f75176 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -29,6 +29,7 @@ #include <linux/i2c.h> #include <linux/version.h> #include <linux/video_decoder.h> +#include <linux/mutex.h> #include "em28xx.h" #include <media/tuner.h> @@ -191,7 +192,7 @@ static struct v4l2_queryctrl saa711x_qctrl[] = { static struct usb_driver em28xx_usb_driver; -static DECLARE_MUTEX(em28xx_sysfs_lock); +static DEFINE_MUTEX(em28xx_sysfs_lock); static DECLARE_RWSEM(em28xx_disconnect); /********************* v4l2 interface ******************************************/ @@ -394,7 +395,7 @@ static int em28xx_v4l2_open(struct inode *inode, struct file *filp) */ static void em28xx_release_resources(struct em28xx *dev) { - down(&em28xx_sysfs_lock); + mutex_lock(&em28xx_sysfs_lock); em28xx_info("V4L2 device /dev/video%d deregistered\n", dev->vdev->minor); @@ -403,7 +404,7 @@ static void em28xx_release_resources(struct em28xx *dev) /* video_unregister_device(dev->vbi_dev); */ em28xx_i2c_unregister(dev); usb_put_dev(dev->udev); - up(&em28xx_sysfs_lock); + mutex_unlock(&em28xx_sysfs_lock); } /* |