1 files changed, 16 insertions, 11 deletions

diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c
index 60a5e2864ea8..023c03d02070 100644
--- a/fs/ncpfs/ioctl.c
+++ b/fs/ncpfs/ioctl.c
@@ -20,6 +20,7 @@
 #include <linux/smp_lock.h>
 #include <linux/vmalloc.h>
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 
 #include <linux/ncp_fs.h>
 
@@ -261,9 +262,9 @@ ncp_get_charsets(struct ncp_server* server, struct ncp_nls_ioctl __user *arg)
 }
 #endif /* CONFIG_NCPFS_NLS */
 
-static int __ncp_ioctl(struct inode *inode, struct file *filp,
-              unsigned int cmd, unsigned long arg)
+static long __ncp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
+        struct inode *inode = filp->f_dentry->d_inode;
         struct ncp_server *server = NCP_SERVER(inode);
         int result;
         struct ncp_ioctl_request request;
@@ -841,11 +842,11 @@ static int ncp_ioctl_need_write(unsigned int cmd)
         }
 }
 
-int ncp_ioctl(struct inode *inode, struct file *filp,
-              unsigned int cmd, unsigned long arg)
+long ncp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-        int ret;
+        long ret;
 
+        lock_kernel();
         if (ncp_ioctl_need_write(cmd)) {
                 /*
                  * inside the ioctl(), any failures which
@@ -853,24 +854,28 @@ int ncp_ioctl(struct inode *inode, struct file *filp,
                  * -EACCESS, so it seems consistent to keep
                  *  that here.
                  */
-                if (mnt_want_write(filp->f_path.mnt))
-                        return -EACCES;
+                if (mnt_want_write(filp->f_path.mnt)) {
+                        ret = -EACCES;
+                        goto out;
+                }
         }
-        ret = __ncp_ioctl(inode, filp, cmd, arg);
+        ret = __ncp_ioctl(filp, cmd, arg);
         if (ncp_ioctl_need_write(cmd))
                 mnt_drop_write(filp->f_path.mnt);
+
+out:
+        unlock_kernel();
         return ret;
 }
 
 #ifdef CONFIG_COMPAT
 long ncp_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-        struct inode *inode = file->f_path.dentry->d_inode;
-        int ret;
+        long ret;
 
         lock_kernel();
         arg = (unsigned long) compat_ptr(arg);
-        ret = ncp_ioctl(inode, file, cmd, arg);
+        ret = ncp_ioctl(file, cmd, arg);
         unlock_kernel();
         return ret;
 }