[CRIU] [PATCH 2/4] zdtm: Don't modify global @errno in test_msg

[Cyrill Gorcunov]

This is logging routine, lets it not affect the global @errno.

Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 test/zdtm/lib/msg.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/test/zdtm/lib/msg.c b/test/zdtm/lib/msg.c
index 8a80ae2244c0..48ddd43e0906 100644
--- a/test/zdtm/lib/msg.c
+++ b/test/zdtm/lib/msg.c
@@ -39,6 +39,7 @@ void test_msg(const char *format, ...)
 	va_list arg;
 	int off = 0;
 	char buf[PAGE_SIZE];
+	int __errno = errno;
 	struct timeval tv;
 	struct tm *tm;
 
@@ -57,4 +58,5 @@ void test_msg(const char *format, ...)
 	va_end(arg);
 
 	fprintf(stderr, "%s", buf);
+	errno = __errno;
 }
-- 
1.9.3