From 26099e24071e16c60b855a221e15059dcd1997ad Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Fri, 15 May 2020 15:47:51 +0000
Subject: [PATCH] scstadmin: Restore support for setting write-only attributes
 (merge r8915 from trunk)

git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/3.4.x@8918 d57e44dd-8a1f-0410-8b47-8ef2f437770f
---
 scstadmin/scstadmin.sysfs/scstadmin | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/scstadmin/scstadmin.sysfs/scstadmin b/scstadmin/scstadmin.sysfs/scstadmin
index c64f965ee..efdc2e6f9 100755
--- a/scstadmin/scstadmin.sysfs/scstadmin
+++ b/scstadmin/scstadmin.sysfs/scstadmin
@@ -5883,9 +5883,8 @@ sub cacheAttributes {
 			my $value = $$attributes{$attribute}->{'value'};
 			# Write-only attributes (e.g. abort_isp) do not have
 			# a value.
-			if (defined($value)) {
-				$cache{$attribute}->{$value} = FALSE;
-			}
+			$value = "" if (!defined($value));
+			$cache{$attribute}->{$value} = FALSE;
 		}
 	}