module: merge module_alloc() finally

[cascardo/linux.git] / kernel / cgroup.c

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 382109b..3fb789f 100644 (file)
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -46,6 +46,7 @@
 #include <linux/cgroupstats.h>
 #include <linux/hash.h>
 #include <linux/namei.h>
+#include <linux/smp_lock.h>
 
 #include <asm/atomic.h>
 
@@ -900,6 +901,7 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data)
        struct cgroup *cgrp = &root->top_cgroup;
        struct cgroup_sb_opts opts;
 
+       lock_kernel();
        mutex_lock(&cgrp->dentry->d_inode->i_mutex);
        mutex_lock(&cgroup_mutex);
 
@@ -927,6 +929,7 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data)
        kfree(opts.release_agent);
        mutex_unlock(&cgroup_mutex);
        mutex_unlock(&cgrp->dentry->d_inode->i_mutex);
+       unlock_kernel();
        return ret;
 }
 
@@ -1133,8 +1136,7 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
  free_cg_links:
        free_cg_links(&tmp_cg_links);
  drop_new_super:
-       up_write(&sb->s_umount);
-       deactivate_super(sb);
+       deactivate_locked_super(sb);
        return ret;
 }