Cleanup reassignments

proctl/proctl.go

@@ -258,7 +258,7 @@ func (dbp *DebuggedProcess) next() error {
 	var goroutineExiting bool
 	for _, th := range dbp.Threads {
 		if th.blocked() { // Continue threads that aren't running go code.
-			if err := th.Continue(); err != nil {
+			if err = th.Continue(); err != nil {
 				return err
 			}
 			continue

proctl/threads.go

@@ -123,14 +123,14 @@ func (thread *ThreadContext) CallFn(name string, fn func() error) error {
 	}
 	defer thread.Process.Clear(bp.Addr)
 
-	if err := thread.saveRegisters(); err != nil {
+	if err = thread.saveRegisters(); err != nil {
 		return err
 	}
 	if err = thread.SetPC(f.Entry); err != nil {
 		return err
 	}
 	defer thread.restoreRegisters()
-	if err := thread.Continue(); err != nil {
+	if err = thread.Continue(); err != nil {
 		return err
 	}
 	if _, err = trapWait(thread.Process, -1); err != nil {