From: Tejun Heo <htejun@gmail.com>
Date: Thu, 2 Aug 2007 12:38:03 +0000 (+0900)
Subject: sysfs: make sysfs_add_one() automatically check for duplicate entry
X-Git-Tag: v2.6.24-rc1~1394^2~51
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=23dc279950a056c33a14d09cf759f5173d41abd9;p=pandora-kernel.git

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>
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