diff options
Diffstat (limited to 'net/wanrouter/wanmain.c')
| -rw-r--r-- | net/wanrouter/wanmain.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/wanrouter/wanmain.c b/net/wanrouter/wanmain.c index 9ab31a3ce3ad..b210a88d0960 100644 --- a/net/wanrouter/wanmain.c +++ b/net/wanrouter/wanmain.c @@ -350,9 +350,9 @@ __be16 wanrouter_type_trans(struct sk_buff *skb, struct net_device *dev) * o execute requested action or pass command to the device driver */ -int wanrouter_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +long wanrouter_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { + struct inode *inode = file->f_path.dentry->d_inode; int err = 0; struct proc_dir_entry *dent; struct wan_device *wandev; @@ -372,6 +372,7 @@ int wanrouter_ioctl(struct inode *inode, struct file *file, if (wandev->magic != ROUTER_MAGIC) return -EINVAL; + lock_kernel(); switch (cmd) { case ROUTER_SETUP: err = wanrouter_device_setup(wandev, data); @@ -403,6 +404,7 @@ int wanrouter_ioctl(struct inode *inode, struct file *file, err = wandev->ioctl(wandev, cmd, arg); else err = -EINVAL; } + unlock_kernel(); return err; } |