1 files changed, 6 insertions, 1 deletions

diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index 6fcc7e71fbaa..9006ad9c7b11 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -21,6 +21,7 @@
 #include <linux/slab.h>
 #include <linux/buffer_head.h>
 #include <linux/namei.h>
+#include <linux/smp_lock.h>     /* For lock_kernel() */
 #include "fat.h"
 
 /*
@@ -1055,15 +1056,19 @@ static int vfat_fill_super(struct super_block *sb, void *data, int silent)
 {
         int res;
 
+        lock_kernel();
         res = fat_fill_super(sb, data, silent, &vfat_dir_inode_operations, 1);
-        if (res)
+        if (res) {
+                unlock_kernel();
                 return res;
+        }
 
         if (MSDOS_SB(sb)->options.name_check != 's')
                 sb->s_root->d_op = &vfat_ci_dentry_ops;
         else
                 sb->s_root->d_op = &vfat_dentry_ops;
 
+        unlock_kernel();
         return 0;
 }