fix return value fcntl F_SETFL

tlhc · Aug 27, 2014 · f8a1d2c · f8a1d2c
1 parent 9b0fe11
commit f8a1d2c
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/src/chinadns.c b/src/chinadns.c
@@ -217,8 +217,7 @@ static int setnonblock(int sock) {
     ERR("fcntl");
     return -1;
   }
-  fcntl(sock, F_SETFL, flags | O_NONBLOCK);
-  if(flags == -1) {
+  if(fcntl(sock, F_SETFL, flags | O_NONBLOCK) == -1) {
     ERR("fcntl");
     return -1;
   }