From 70330d222e3231af111e9d7b500ed86e0980a2c6 Mon Sep 17 00:00:00 2001
From: wangjufeng <wangjufeng@huawei.com>
Date: Fri, 20 Mar 2020 19:28:02 +0800
Subject: [PATCH] lvm2: fix the reuse of va_list
After a va_list is used, it should not be used again. Because it
is already changed after using.
Signed-off-by: wangjufeng<wangjufeng@huawei.com>
---
libdm/libdm-common.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libdm/libdm-common.c b/libdm/libdm-common.c
index 2fd8783..7f2fb81 100644
--- a/libdm/libdm-common.c
+++ b/libdm/libdm-common.c
@@ -113,6 +113,7 @@ static void _default_log_line(int level, const char *file,
int line, int dm_errno_or_class,
const char *f, va_list ap)
{
+ va_list copyap;
static int _abort_on_internal_errors = -1;
static int _debug_with_line_numbers = -1;
FILE *out = log_stderr(level) ? stderr : stdout;
@@ -131,8 +132,10 @@ static void _default_log_line(int level, const char *file,
if (_debug_with_line_numbers)
fprintf(out, "%s:%d ", file, line);
+ va_copy(copyap, ap);
vfprintf(out, f, ap);
- vsyslog(level, f, ap);
+ vsyslog(level, f, copyap);
+ va_end(copyap);
fputc('\n', out);
}
--
1.8.3.1