pud: fix socket error

Coverity: CID 739663 (#2 of 2): Argument cannot be negative (NEGATIVE_RETURNS) At (8): "fd" is passed to a parameter that cannot be negative. Signed-off-by: Ferry Huberts <[email protected]>
ninuxorg · Oct 22, 2012 · 1aeaf0d · 1aeaf0d
1 parent 4d4b879
commit 1aeaf0d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/pud/src/netTools.c b/lib/pud/src/netTools.c
@@ -79,6 +79,10 @@ struct in_addr * getIPv4Address(const char * ifName, struct ifreq *ifr) {
 	assert(ifr != NULL);
 
 	fd = socket(AF_INET, SOCK_DGRAM, 0);
+	if (fd < 0) {
+		pudError(true, "%s@%u: socket error: %s", __FILE__, __LINE__, strerror(errno));
+		return NULL;
+	}
 
 	ifr->ifr_addr.sa_family = AF_INET;
 	memset(ifr->ifr_name, 0, sizeof(ifr->ifr_name));