From 9155ca505cc2b3f3aa70ff6c0b4401be517b194f Mon Sep 17 00:00:00 2001
From: wuchangsheng <wuchangsheng2@huawei.com>
Date: Fri, 4 Mar 2022 14:19:14 +0800
Subject: [PATCH] fix compile error

---
 src/ltran/ltran_dfx.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/ltran/ltran_dfx.c b/src/ltran/ltran_dfx.c
index c923de0..159fbb9 100644
--- a/src/ltran/ltran_dfx.c
+++ b/src/ltran/ltran_dfx.c
@@ -111,7 +111,10 @@ static pid_t ltran_process_exist(void)
     char line[LINE];
     FILE *cmd = popen("pidof ltran", "r");
 
-    (void)fgets(line, LINE, cmd);
+    if(fgets(line, LINE, cmd) == NULL) {
+    	return 0;
+    }
+
     pid_t pid = strtoul(line, NULL, BASE_DEC_SCALE);
     (void)pclose(cmd);
 
-- 
2.30.0