From d3e332c72d415d1c64dcea1ef6928a7c60e3c132 Mon Sep 17 00:00:00 2001
From: sin <sin@2f30.org>
Date: Wed, 11 Jun 2014 13:03:33 +0100
Subject: [PATCH] Ensure a select() failure is properly signalled to the caller

---
 dd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dd.c b/dd.c
index 25bce65..79c20d4 100644
--- a/dd.c
+++ b/dd.c
@@ -162,7 +162,8 @@ copy_splice(struct dd_config *ddc)
 		FD_ZERO(&wfd);
 		FD_SET(ifd, &rfd);
 		FD_SET(ofd, &wfd);
-		if (select(ifd > ofd ? ifd + 1 : ofd + 1, &rfd, &wfd, NULL, NULL) < 0) {
+		r = select(ifd > ofd ? ifd + 1 : ofd + 1, &rfd, &wfd, NULL, NULL);
+		if (r < 0) {
 			ddc->saved_errno = errno;
 			break;
 		}