Merge pull request #353 from alsm/master

check conn before closing
eclipse · Aug 29, 2019 · a436547 · a436547
2 parents c49ea09 + f6b1d90
commit a436547
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/client.go b/client.go
@@ -405,8 +405,10 @@ func (c *client) reconnect() {
 
 				rc, _ = c.connect()
 				if rc != packets.Accepted {
-					c.conn.Close()
-					c.conn = nil
+					if c.conn != nil {
+						c.conn.Close()
+						c.conn = nil
+					}
 					//if the protocol version was explicitly set don't do any fallback
 					if c.options.protocolVersionExplicit {
 						ERROR.Println(CLI, "Connecting to", broker, "CONNACK was not Accepted, but rather", packets.ConnackReturnCodes[rc])