tree 852f8cc24c24988717dbae8f98da999ff27755fa
parent 41fc1c27452e041a18e5141b8203ee0ea72bc483
author Tejun Heo <htejun@gmail.com> 1186058283 +0900
committer Greg Kroah-Hartman <gregkh@suse.de> 1192225864 -0700

sysfs: make sysfs_add_one() automatically check for duplicate entry

Make sysfs_add_one() check for duplicate entry and return -EEXIST if
such entry exists.  This simplifies node addition code a bit.

This patch doesn't introduce any noticeable behavior change.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>