From 6a21f456f78ae4d69736e89d2839949e9c5e7e7b Mon Sep 17 00:00:00 2001
From: Brian Meagher <brian.meagher@ixsystems.com>
Date: Thu, 25 Apr 2024 17:25:08 -0700
Subject: [PATCH] iscsi-scst: Add mechanism to restore target parameter to
 default

Writing the string :default: to the /sys entry will restore local_def
---
 iscsi-scst/usr/param.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/iscsi-scst/usr/param.c b/iscsi-scst/usr/param.c
index acdcd248e..0d3ef2aa7 100644
--- a/iscsi-scst/usr/param.c
+++ b/iscsi-scst/usr/param.c
@@ -279,7 +279,10 @@ int params_val_to_str(const struct iscsi_key *keys, int idx, unsigned int val,
 int params_str_to_val(const struct iscsi_key *keys, int idx, const char *str,
 		      unsigned int *val)
 {
-	if (keys[idx].ops->str_to_val)
+	if (!strcmp(":default:", str)) {
+		*val = keys[idx].local_def;
+		return 0;
+	} else if (keys[idx].ops->str_to_val)
 		return keys[idx].ops->str_to_val(str, val);
 	else
 		return 0;