target: handle empty string writes in sysfs
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 27 Jan 2012 12:50:55 +0000 (15:50 +0300)
committerNicholas Bellinger <nab@linux-iscsi.org>
Tue, 7 Feb 2012 06:48:40 +0000 (06:48 +0000)
These are root only and we're not likely to hit the problem in practise,
but it makes the static checkers happy.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

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