cgroups: fix invalid cgrp->dentry before cgroup has been completely removed

[linux-2.6-omap-h63xx.git] / kernel / cgroup.c

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 046c1609606bc627059aa6cd5df687fa86f15d3b..358e77564e6f8b0b4c3964a36da48cc3051d6e73 100644 (file)
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2104,7 +2104,7 @@ static void *cgroup_tasks_start(struct seq_file *s, loff_t *pos)
        down_read(&cgrp->pids_mutex);
        if (pid) {
                int end = cgrp->pids_length;
-               int i;
+
                while (index < end) {
                        int mid = (index + end) / 2;
                        if (cgrp->tasks_pids[mid] == pid) {
@@ -2497,7 +2497,6 @@ static int cgroup_rmdir(struct inode *unused_dir, struct dentry *dentry)
        list_del(&cgrp->sibling);
        spin_lock(&cgrp->dentry->d_lock);
        d = dget(cgrp->dentry);
-       cgrp->dentry = NULL;
        spin_unlock(&d->d_lock);
 
        cgroup_d_remove_dir(d);