1 files changed, 5 insertions, 1 deletions
diff --git a/mpaste.go b/mpaste.go
index eec6a20..ade4b8e 100644
--- a/mpaste.go
+++ b/mpaste.go
@@ -178,6 +178,7 @@ func endpoint(w http.ResponseWriter, r *http.Request) {
 		}
 
 		mutex.Lock()
+		defer mutex.Unlock()
 
 		fname := file_prefix + strconv.Itoa(counter)
 		nfile, err := os.Create(fname)
@@ -198,7 +199,6 @@ func endpoint(w http.ResponseWriter, r *http.Request) {
 		fmt.Fprintf(w, domain+"/%d\n", counter)
 
 		counter++
-		mutex.Unlock()
 	default:
 		WRITE_HEADER(http.StatusMethodNotAllowed, "Only GET and POST requests are supported")
 	}
@@ -233,6 +233,10 @@ func main() {
 		file_prefix += "/"
 	}
 
+	if counter_file == "" {
+		counter_file = "counter"
+	}
+
 	if index_file == "" {
 		index_file = "index.html"
 	}