From 7b02a5e9bdee5304fa1fef9cb73ce576335834e6 Mon Sep 17 00:00:00 2001
From: Jiri Bohac <jbohac@suse.cz>
Date: Wed, 15 May 2013 17:24:30 +0200
Subject: [PATCH] fix misleading pr_err on poll timeout

If poll() times out, don't print a misleading errno, say that a timeout
occured.

Signed-off-by: Jiri Bohac <jbohac@suse.cz>
---
 sk.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sk.c b/sk.c
index 1ff5325..0437ad8 100644
--- a/sk.c
+++ b/sk.c
@@ -218,7 +218,8 @@ int sk_receive(int fd, void *buf, int buflen,
 		struct pollfd pfd = { fd, 0, 0 };
 		res = poll(&pfd, 1, sk_tx_timeout);
 		if (res < 1) {
-			pr_err("poll tx timestamp failed: %m");
+			pr_err(res ? "poll tx timestamp failed: %m" :
+			             "poll tx timestamp timeout");
 			return res;
 		} else if (!(pfd.revents & POLLERR)) {
 			pr_err("poll tx woke up on non ERR event");