1 files changed, 4 insertions, 0 deletions

diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c
index cd80316302cc..a8189864c241 100644
--- a/fs/sysv/inode.c
+++ b/fs/sysv/inode.c
@@ -72,6 +72,8 @@ static void sysv_put_super(struct super_block *sb)
 {
         struct sysv_sb_info *sbi = SYSV_SB(sb);
 
+        lock_kernel();
+
         if (sb->s_dirt)
                 sysv_write_super(sb);
 
@@ -87,6 +89,8 @@ static void sysv_put_super(struct super_block *sb)
                 brelse(sbi->s_bh2);
 
         kfree(sbi);
+
+        unlock_kernel();
 }
 
 static int sysv_statfs(struct dentry *dentry, struct kstatfs *buf)