Prevent duplicate sk_close() calls on the same socket when the

[u/mdw/putty] / telnet.c

diff --git a/telnet.c b/telnet.c
index cd70d9b..8cb02a0 100644 (file)
--- a/telnet.c
+++ b/telnet.c
@@ -468,11 +468,11 @@ static void do_telnet_read (char *buf, int len) {
 static int telnet_receive(Socket skt, int urgent, char *data, int len) {
     if (urgent==3) {
         /* A socket error has occurred. */
+        sk_close(s);
         s = NULL;
         connection_fatal(data);
-        len = 0;
-    }
-    if (!len) {
+        return 0;
+    } else if (!len) {
        /* Connection has closed. */
        sk_close(s);
        s = NULL;