patch-0016-xenstore-correct-test-for-opened-logfile-in-reopen_l.patch

From b2dc1dc009a2e4ae6a71c674c0d7858724036ab9 Mon Sep 17 00:00:00 2001
From: Juergen Gross <jgross@suse.com>
Date: Wed, 22 Feb 2017 16:28:45 +0100
Subject: [PATCH 16/25] xenstore: correct test for opened logfile in
 reopen_log()

As 0 is a valid file descriptor testing a descriptor to be valid
should be done via >= 0 instead of > 0.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
---
 tools/xenstore/xenstored_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/xenstore/xenstored_core.c b/tools/xenstore/xenstored_core.c
index 2c38c07ca2aa..9a7ef1aa3be5 100644
--- a/tools/xenstore/xenstored_core.c
+++ b/tools/xenstore/xenstored_core.c
@@ -210,7 +210,7 @@ static void trigger_reopen_log(int signal __attribute__((unused)))
 static void reopen_log(void)
 {
 	if (tracefile) {
-		if (tracefd > 0)
+		if (tracefd >= 0)
 			close(tracefd);
 
 		tracefd = open(tracefile, O_WRONLY|O_CREAT|O_APPEND, 0600);
-- 
2.25.4