commit ddce9e236b5cbab80ad195840f427d4e19f39b97
from: Stefan Sperling <stsp@stsp.name>
date: Fri Aug 30 15:34:34 2024 UTC

avoid use of uninitialized variable 'sin'

found by codechecker

commit - 76ca4378889d6b4f0a57484f499ef07aabc7e968
commit + ddce9e236b5cbab80ad195840f427d4e19f39b97
blob - 11da938ab2c97ad9542869bd722262aa88c11c6d
blob + cd771f24c72f9b2004e4a92ebb224c853e8c0b9b
--- ndp.c
+++ ndp.c
@@ -355,7 +355,7 @@ ndpdump(struct sockaddr_in6 *addr, int cflag)
 	size_t needed;
 	char *lim, *buf = NULL, *next;
 	struct rt_msghdr *rtm;
-	struct sockaddr_in6 *sin;
+	struct sockaddr_in6 *sin = NULL;
 	struct sockaddr_dl *sdl;
 	struct in6_nbrinfo *nbi = NULL;
 	struct timeval now;
@@ -541,7 +541,7 @@ ndpdump(struct sockaddr_in6 *addr, int cflag)
 		printf("\n");
 	}
 
-	if (!nbi)
+	if (!nbi && sin)
 		printf("\n%% %s: failed to get neighbor information\n",
 		    routename6(sin));