From a97ef39cd4a8a7612ff744ff0e7a4efdf3837214 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Tue, 9 Feb 2021 19:54:00 +0100
Subject: rwcancel: use errors.Is for unwrapping

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
 rwcancel/rwcancel.go | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

(limited to 'rwcancel')

diff --git a/rwcancel/rwcancel.go b/rwcancel/rwcancel.go
index 7d50f83..8a6300a 100644
--- a/rwcancel/rwcancel.go
+++ b/rwcancel/rwcancel.go
@@ -46,17 +46,7 @@ func NewRWCancel(fd int) (*RWCancel, error) {
 }
 
 func RetryAfterError(err error) bool {
-	if pe, ok := err.(*os.PathError); ok {
-		err = pe.Err
-	}
-	if errno, ok := err.(syscall.Errno); ok {
-		switch errno {
-		case syscall.EAGAIN, syscall.EINTR:
-			return true
-		}
-
-	}
-	return false
+	return errors.Is(err, syscall.EAGAIN) || errors.Is(err, syscall.EINTR)
 }
 
 func (rw *RWCancel) ReadyRead() bool {
-- 
cgit v1.2.3-59-g8ed1b