Merge branch 'bkl/ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing

* 'bkl/ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing:
  uml: Pushdown the bkl from harddog_kern ioctl
  sunrpc: Pushdown the bkl from sunrpc cache ioctl
  sunrpc: Pushdown the bkl from ioctl
  autofs4: Pushdown the bkl from ioctl
  uml: Convert to unlocked_ioctls to remove implicit BKL
  ncpfs: BKL ioctl pushdown
  coda: Clean-up whitespace problems in pioctl.c
  coda: BKL ioctl pushdown
  drivers: Push down BKL into various drivers
  isdn: Push down BKL into ioctl functions
  scsi: Push down BKL into ioctl functions
  dvb: Push down BKL into ioctl functions
  smbfs: Push down BKL into ioctl function
  coda/psdev: Remove BKL from ioctl function
  um/mmapper: Remove BKL usage
  sn_hwperf: Kill BKL usage
  hfsplus: Push down BKL into ioctl function

1 files changed, 11 insertions, 4 deletions

diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c
index cccea412088b..f6dac2bb0ac6 100644
--- a/drivers/media/dvb/dvb-core/dvb_net.c
+++ b/drivers/media/dvb/dvb-core/dvb_net.c
@@ -59,6 +59,7 @@
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/dvb/net.h>
+#include <linux/smp_lock.h>
 #include <linux/uio.h>
 #include <asm/uaccess.h>
 #include <linux/crc32.h>
@@ -1329,7 +1330,7 @@ static int dvb_net_remove_if(struct dvb_net *dvbnet, unsigned long num)
 	return 0;
 }
 
-static int dvb_net_do_ioctl(struct inode *inode, struct file *file,
+static int dvb_net_do_ioctl(struct file *file,
 		  unsigned int cmd, void *parg)
 {
 	struct dvb_device *dvbdev = file->private_data;
@@ -1431,10 +1432,16 @@ static int dvb_net_do_ioctl(struct inode *inode, struct file *file,
 	return 0;
 }
 
-static int dvb_net_ioctl(struct inode *inode, struct file *file,
+static long dvb_net_ioctl(struct file *file,
 	      unsigned int cmd, unsigned long arg)
 {
-	return dvb_usercopy(inode, file, cmd, arg, dvb_net_do_ioctl);
+	int ret;
+
+	lock_kernel();
+	ret = dvb_usercopy(file, cmd, arg, dvb_net_do_ioctl);
+	unlock_kernel();
+
+	return ret;
 }
 
 static int dvb_net_close(struct inode *inode, struct file *file)
@@ -1455,7 +1462,7 @@ static int dvb_net_close(struct inode *inode, struct file *file)
 
 static const struct file_operations dvb_net_fops = {
 	.owner = THIS_MODULE,
-	.ioctl = dvb_net_ioctl,
+	.unlocked_ioctl = dvb_net_ioctl,
 	.open =	dvb_generic_open,
 	.release = dvb_net_close,
 };