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authorTejun Heo <htejun@gmail.com>2007-06-14 03:45:17 +0900
committerGreg Kroah-Hartman <gregkh@suse.de>2007-07-11 16:09:07 -0700
commit7f7cfffe60ed6271c4028ec79ae1c297b44bcb14 (patch)
treeb2d0f1228f9b6cc0cc262cd1be6d950ec4816291 /fs/sysfs/dir.c
parent42b37df6abb42ae021e15bf865b43f3629c7f3ab (diff)
sysfs: fix parent refcounting during rename and move
Parent reference wasn't properly transferred during rename and move. Fix it. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/sysfs/dir.c')
-rw-r--r--fs/sysfs/dir.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index a63d12e4be5..a26e3db8943 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -497,6 +497,9 @@ int sysfs_rename_dir(struct kobject * kobj, struct dentry *new_parent,
d_move(kobj->dentry, new_dentry);
list_del_init(&sd->s_sibling);
+ sysfs_get(parent_sd);
+ sysfs_put(sd->s_parent);
+ sd->s_parent = parent_sd;
list_add(&sd->s_sibling, &parent_sd->s_children);
error = 0;
@@ -550,6 +553,9 @@ again:
/* Remove from old parent's list and insert into new parent's list. */
list_del_init(&sd->s_sibling);
+ sysfs_get(new_parent_sd);
+ sysfs_put(sd->s_parent);
+ sd->s_parent = new_parent_sd;
list_add(&sd->s_sibling, &new_parent_sd->s_children);
out: