Merge branch 'timers-for-linus-migration' of git://git.kernel.org/pub/scm/linux/kerne...

[mv-sheeva.git] / fs / ecryptfs / super.c

diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c
index fa4c7e7d15d997d095bf4cc6929d0b1db295e2cf..12d649602d3a16f91b463d6fdb33d67e7de9e03e 100644 (file)
--- a/fs/ecryptfs/super.c
+++ b/fs/ecryptfs/super.c
@@ -27,6 +27,7 @@
 #include <linux/mount.h>
 #include <linux/key.h>
 #include <linux/seq_file.h>
+#include <linux/smp_lock.h>
 #include <linux/file.h>
 #include <linux/crypto.h>
 #include "ecryptfs_kernel.h"
@@ -120,9 +121,13 @@ static void ecryptfs_put_super(struct super_block *sb)
 {
        struct ecryptfs_sb_info *sb_info = ecryptfs_superblock_to_private(sb);
 
+       lock_kernel();
+
        ecryptfs_destroy_mount_crypt_stat(&sb_info->mount_crypt_stat);
        kmem_cache_free(ecryptfs_sb_info_cache, sb_info);
        ecryptfs_set_superblock_private(sb, NULL);
+
+       unlock_kernel();
 }
 
 /**