Check errors before using the result (#48)

Small follow up after #47.
elastic · Oct 11, 2016 · 286c817 · 286c817
1 parent eeb33bf
commit 286c817
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/sigar_darwin.go b/sigar_darwin.go
@@ -361,12 +361,12 @@ func kern_procargs(pid int,
 	binary.Read(bbuf, binary.LittleEndian, &argc)
 
 	path, err := bbuf.ReadBytes(0)
-	if exe != nil {
-		exe(string(chop(path)))
-	}
 	if err != nil {
 		return fmt.Errorf("Error reading the argv[0]: %v", err)
 	}
+	if exe != nil {
+		exe(string(chop(path)))
+	}
 
 	// skip trailing \0's
 	for {