From: Nick Porter <nick@portercomputing.co.uk>
Date: Thu, 7 Aug 2025 10:45:17 +0000 (+0100)
Subject: Only unlink bio if it is in a chain
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d2ed4e452ea5bb912eeb7eff2c4eebce4d04682;p=thirdparty%2Ffreeradius-server.git

Only unlink bio if it is in a chain
---

diff --git a/src/lib/bio/bio_priv.h b/src/lib/bio/bio_priv.h
index f5149cf35ba..3e12ea128da 100644
--- a/src/lib/bio/bio_priv.h
+++ b/src/lib/bio/bio_priv.h
@@ -68,7 +68,8 @@ do { \
 		rcode = fr_bio_shutdown(&my->bio); \
 		if (rcode < 0) return rcode;	   \
 	}					   \
-	fr_bio_unchain(&my->bio);		   \
+	if (fr_bio_prev(&my->bio) || fr_bio_next(&my->bio)) \
+		fr_bio_unchain(&my->bio);	   \
 } while (0)