[PATCH 2/5] sysfs: fix parent refcounting during rename and move

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Parent reference wasn't properly transferred during rename and move.
Fix it.

Signed-off-by: Tejun Heo <[email protected]>
---
 fs/sysfs/dir.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index a63d12e..a26e3db 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -497,6 +497,9 @@ int sysfs_rename_dir(struct kobject * ko
 	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:
-- 
1.4.3.4


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux