autofs-5.1.9 - fix sublink option check length in update_with_defaults()

From: Ian Kent <raven@themaw.net>

Fix the "sublink" option comparison length in update_with_defaults().

Signed-off-by: Ian Kent <raven@themaw.net>
---
 CHANGELOG           |    1 +
 modules/parse_amd.c |    2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG b/CHANGELOG
index 9fac507f2..66450d701 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -56,6 +56,7 @@
 - remove unused master map field.
 - fix error return in do_mount_indirect().
 - use sizeof for buffer length in set_log_priority.
+- fix sublink option check length in update_with_defaults().
 
 02/11/2023 autofs-5.1.9
 - fix kernel mount status notification.
diff --git a/modules/parse_amd.c b/modules/parse_amd.c
index f7a0bbb7c..6ef1729e9 100644
--- a/modules/parse_amd.c
+++ b/modules/parse_amd.c
@@ -758,7 +758,7 @@ static void update_with_defaults(struct amd_entry *defaults,
 			if (tmp)
 				entry->sublink = tmp;
 		} else {
-			v = macro_findvar(sv, "sublink", 2);
+			v = macro_findvar(sv, "sublink", 7);
 			if (v)
 				entry->sublink = strdup(v->val);
 		}
