1 files changed, 10 insertions, 2 deletions

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index b7431afdd76d..070bf1aecd2d 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -514,22 +514,30 @@ cifs_get_sb(struct file_system_type *fs_type,
             int flags, const char *dev_name, void *data, struct vfsmount *mnt)
 {
         int rc;
-        struct super_block *sb = sget(fs_type, NULL, set_anon_super, NULL);
+        struct super_block *sb;
+
+        lock_kernel();
+
+        sb = sget(fs_type, NULL, set_anon_super, NULL);
 
         cFYI(1, "Devname: %s flags: %d ", dev_name, flags);
 
-        if (IS_ERR(sb))
+        if (IS_ERR(sb)) {
+                unlock_kernel();
                 return PTR_ERR(sb);
+        }
 
         sb->s_flags = flags;
 
         rc = cifs_read_super(sb, data, dev_name, flags & MS_SILENT ? 1 : 0);
         if (rc) {
                 deactivate_locked_super(sb);
+                unlock_kernel();
                 return rc;
         }
         sb->s_flags |= MS_ACTIVE;
         simple_set_mnt(mnt, sb);
+        unlock_kernel();
         return 0;
 }