From: Guus Sliepen <guus@tinc-vpn.org>
Date: Mon, 16 Nov 2015 13:33:39 +0000 (+0100)
Subject: Fix warnings from the Clang Static Analyzer.
X-Git-Tag: release-1.0.27~22
X-Git-Url: https://git.tinc-vpn.org/git/browse?a=commitdiff_plain;h=dc6c113176697aafb013feda87af973d80349585;p=tinc

Fix warnings from the Clang Static Analyzer.

These were all harmless.
---

diff --git a/src/avl_tree.c b/src/avl_tree.c
index 6b855165..f1645d52 100644
--- a/src/avl_tree.c
+++ b/src/avl_tree.c
@@ -123,8 +123,6 @@ static void avl_rebalance(avl_tree_t *tree, avl_node_t *node)
 	avl_node_t *parent;
 	avl_node_t **superparent;
 
-	parent = node;
-
 	while(node) {
 		parent = node->parent;
 
diff --git a/src/net_packet.c b/src/net_packet.c
index e67857cc..5ab08e24 100644
--- a/src/net_packet.c
+++ b/src/net_packet.c
@@ -276,7 +276,7 @@ static void receive_udppacket(node_t *n, vpn_packet_t *inpkt) {
 	vpn_packet_t pkt1, pkt2;
 	vpn_packet_t *pkt[] = { &pkt1, &pkt2, &pkt1, &pkt2 };
 	int nextpkt = 0;
-	vpn_packet_t *outpkt = pkt[0];
+	vpn_packet_t *outpkt;
 	int outlen, outpad;
 	unsigned char hmac[EVP_MAX_MD_SIZE];
 	int i;
diff --git a/src/tincd.c b/src/tincd.c
index a2b35805..ed0cee93 100644
--- a/src/tincd.c
+++ b/src/tincd.c
@@ -239,7 +239,8 @@ static bool parse_options(int argc, char **argv) {
 					usage(true);
 					return false;
 				}
-				netname = strcmp(optarg, ".") != 0 ? xstrdup(optarg) : NULL;
+				if(optarg && strcmp(optarg, "."))
+					netname = xstrdup(optarg);
 				break;
 
 			case 'o':				/* option */