drivers: Push down BKL into various drivers

These are the last remaining device drivers using
the ->ioctl file operation in the drivers directory
(except from v4l drivers).

[fweisbec: drop i8k pushdown as it has been done from
procfs pushdown branch already]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

2 files changed, 19 insertions, 7 deletions

diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
index ddf7f9a1b336..55947725f609 100644
--- a/drivers/usb/mon/mon_bin.c
+++ b/drivers/usb/mon/mon_bin.c
@@ -954,8 +954,7 @@ static int mon_bin_queued(struct mon_reader_bin *rp)
 
 /*
  */
-static int mon_bin_ioctl(struct inode *inode, struct file *file,
-    unsigned int cmd, unsigned long arg)
+static int mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
         struct mon_reader_bin *rp = file->private_data;
         // struct mon_bus* mbus = rp->r.m_bus;
@@ -1095,6 +1094,19 @@ static int mon_bin_ioctl(struct inode *inode, struct file *file,
         return ret;
 }
 
+static long mon_bin_unlocked_ioctl(struct file *file, unsigned int cmd,
+                                   unsigned long arg)
+{
+        int ret;
+
+        lock_kernel();
+        ret = mon_bin_ioctl(file, cmd, arg);
+        unlock_kernel();
+
+        return ret;
+}
+
+
 #ifdef CONFIG_COMPAT
 static long mon_bin_compat_ioctl(struct file *file,
     unsigned int cmd, unsigned long arg)
@@ -1148,14 +1160,13 @@ static long mon_bin_compat_ioctl(struct file *file,
                 return 0;
 
         case MON_IOCG_STATS:
-                return mon_bin_ioctl(NULL, file, cmd,
-                                            (unsigned long) compat_ptr(arg));
+                return mon_bin_ioctl(file, cmd, (unsigned long) compat_ptr(arg));
 
         case MON_IOCQ_URB_LEN:
         case MON_IOCQ_RING_SIZE:
         case MON_IOCT_RING_SIZE:
         case MON_IOCH_MFLUSH:
-                return mon_bin_ioctl(NULL, file, cmd, arg);
+                return mon_bin_ioctl(file, cmd, arg);
 
         default:
                 ;
@@ -1239,7 +1250,7 @@ static const struct file_operations mon_fops_binary = {
         .read =         mon_bin_read,
         /* .write =     mon_text_write, */
         .poll =         mon_bin_poll,
-        .ioctl =        mon_bin_ioctl,
+        .unlocked_ioctl = mon_bin_unlocked_ioctl,
 #ifdef CONFIG_COMPAT
         .compat_ioctl = mon_bin_compat_ioctl,
 #endif
diff --git a/drivers/usb/mon/mon_stat.c b/drivers/usb/mon/mon_stat.c
index 1becdc3837e6..8ec94f15a738 100644
--- a/drivers/usb/mon/mon_stat.c
+++ b/drivers/usb/mon/mon_stat.c
@@ -11,6 +11,7 @@
 #include <linux/slab.h>
 #include <linux/usb.h>
 #include <linux/fs.h>
+#include <linux/smp_lock.h>
 #include <asm/uaccess.h>
 
 #include "usb_mon.h"
@@ -63,6 +64,6 @@ const struct file_operations mon_fops_stat = {
         .read =         mon_stat_read,
         /* .write =     mon_stat_write, */
         /* .poll =              mon_stat_poll, */
-        /* .ioctl =     mon_stat_ioctl, */
+        /* .unlocked_ioctl =    mon_stat_ioctl, */
         .release =      mon_stat_release,
 };