Merge branch 'bkl/procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic...

[pandora-kernel.git] / drivers / isdn / divert / divert_procfs.c

diff --git a/drivers/isdn/divert/divert_procfs.c b/drivers/isdn/divert/divert_procfs.c
index 9f49d90..c53e241 100644 (file)
--- a/drivers/isdn/divert/divert_procfs.c
+++ b/drivers/isdn/divert/divert_procfs.c
@@ -20,6 +20,7 @@
 #include <linux/sched.h>
 #include <linux/isdnif.h>
 #include <net/net_namespace.h>
+#include <linux/smp_lock.h>
 #include "isdn_divert.h"
 
 
@@ -177,9 +178,7 @@ isdn_divert_close(struct inode *ino, struct file *filep)
 /*********/
 /* IOCTL */
 /*********/
-static int
-isdn_divert_ioctl(struct inode *inode, struct file *file,
-                 uint cmd, ulong arg)
+static int isdn_divert_ioctl_unlocked(struct file *file, uint cmd, ulong arg)
 {
        divert_ioctl dioctl;
        int i;
@@ -258,6 +257,17 @@ isdn_divert_ioctl(struct inode *inode, struct file *file,
        return copy_to_user((void __user *)arg, &dioctl, sizeof(dioctl)) ? -EFAULT : 0;
 }                              /* isdn_divert_ioctl */
 
+static long isdn_divert_ioctl(struct file *file, uint cmd, ulong arg)
+{
+       long ret;
+
+       lock_kernel();
+       ret = isdn_divert_ioctl_unlocked(file, cmd, arg);
+       unlock_kernel();
+
+       return ret;
+}
+
 static const struct file_operations isdn_fops =
 {
        .owner          = THIS_MODULE,
@@ -265,7 +275,7 @@ static const struct file_operations isdn_fops =
        .read           = isdn_divert_read,
        .write          = isdn_divert_write,
        .poll           = isdn_divert_poll,
-       .ioctl          = isdn_divert_ioctl,
+       .unlocked_ioctl = isdn_divert_ioctl,
        .open           = isdn_divert_open,
        .release        = isdn_divert_close,                                      
 };