diff options
Diffstat (limited to 'drivers/media/dvb/dvb-core/dvb_ca_en50221.c')
| -rw-r--r-- | drivers/media/dvb/dvb-core/dvb_ca_en50221.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c index cb22da53bfb0..ef259a0718ac 100644 --- a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c @@ -36,6 +36,7 @@ #include <linux/delay.h> #include <linux/spinlock.h> #include <linux/sched.h> +#include <linux/smp_lock.h> #include <linux/kthread.h> #include "dvb_ca_en50221.h" @@ -1181,7 +1182,7 @@ static int dvb_ca_en50221_thread(void *data) * * @return 0 on success, <0 on error. */ -static int dvb_ca_en50221_io_do_ioctl(struct inode *inode, struct file *file, +static int dvb_ca_en50221_io_do_ioctl(struct file *file, unsigned int cmd, void *parg) { struct dvb_device *dvbdev = file->private_data; @@ -1255,10 +1256,16 @@ static int dvb_ca_en50221_io_do_ioctl(struct inode *inode, struct file *file, * * @return 0 on success, <0 on error. */ -static int dvb_ca_en50221_io_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long dvb_ca_en50221_io_ioctl(struct file *file, + unsigned int cmd, unsigned long arg) { - return dvb_usercopy(inode, file, cmd, arg, dvb_ca_en50221_io_do_ioctl); + int ret; + + lock_kernel(); + ret = dvb_usercopy(file, cmd, arg, dvb_ca_en50221_io_do_ioctl); + unlock_kernel(); + + return ret; } @@ -1611,7 +1618,7 @@ static const struct file_operations dvb_ca_fops = { .owner = THIS_MODULE, .read = dvb_ca_en50221_io_read, .write = dvb_ca_en50221_io_write, - .ioctl = dvb_ca_en50221_io_ioctl, + .unlocked_ioctl = dvb_ca_en50221_io_ioctl, .open = dvb_ca_en50221_io_open, .release = dvb_ca_en50221_io_release, .poll = dvb_ca_en50221_io_poll, |