Index: sys/kern/uipc_socket2.c
===================================================================
RCS file: /mount/openbsd/cvs/src/sys/kern/uipc_socket2.c,v
diff -u -p -u -p -r1.178 uipc_socket2.c
--- sys/kern/uipc_socket2.c	13 Feb 2025 14:44:33 -0000	1.178
+++ sys/kern/uipc_socket2.c	14 Feb 2025 16:29:49 -0000
@@ -505,8 +505,7 @@ sosleep_nsec(struct socket *so, void *id
 void
 sbmtxassertlocked(struct sockbuf *sb)
 {
-	if (splassert_ctl > 0 && mtx_owned(&sb->sb_mtx) == 0)
-		splassert_fail(0, RW_WRITE, __func__);
+	MUTEX_ASSERT_LOCKED(&sb->sb_mtx);
 }
 
 /*