[PATCH] sysfs: fix problem with duplicate sysfs directories and files

The following patch checks for existing sysfs_dirent before
preparing new one while creating sysfs directories and files.

Signed-off-by: Maneesh Soni <maneesh@in.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc fs/sysfs/dir.c
Simple merge

diff --cc fs/sysfs/file.c
Simple merge

diff --cc fs/sysfs/symlink.c
Simple merge

diff --cc fs/sysfs/sysfs.h
Simple merge