From 79db649c4b8222d0f80b27d3f5d20a3ed40fa09b Mon Sep 17 00:00:00 2001
From: Robert Sanford <rsanford2@gmail.com>
Date: Tue, 18 Aug 2015 11:53:54 -0400
Subject: [PATCH] eal/linux: fix epoll timeout

Function rte_epoll_wait should return when underlying call
to epoll_wait times out.

Signed-off-by: Robert Sanford <rsanford@akamai.com>
Acked-by: Cunming Liang <cunming.liang@intel.com>
---
 lib/librte_eal/linuxapp/eal/eal_interrupts.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/librte_eal/linuxapp/eal/eal_interrupts.c b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
index 66e1fe3226..078318ce10 100644
--- a/lib/librte_eal/linuxapp/eal/eal_interrupts.c
+++ b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
@@ -1002,6 +1002,9 @@ rte_epoll_wait(int epfd, struct rte_epoll_event *events,
 				strerror(errno));
 			rc = -1;
 			break;
+		} else {
+			/* rc == 0, epoll_wait timed out */
+			break;
 		}
 	}
 
-- 
2.20.1