From 512998f967a9dab5e98010e1043985fc855d9f4e Mon Sep 17 00:00:00 2001
From: Pavel Timofeev <timp87@gmail.com>
Date: Thu, 14 Jul 2016 13:50:35 +0300
Subject: [PATCH] Fix an infrequent crash

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
[Upstream: https://github.com/opsengine/cpulimit/pull/61]
---
 src/process_iterator_linux.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/process_iterator_linux.c b/src/process_iterator_linux.c
index c8cdd07adcbe..93b44bab1755 100644
--- a/src/process_iterator_linux.c
+++ b/src/process_iterator_linux.c
@@ -98,6 +98,7 @@ static int read_process_info(pid_t pid, struct process *p)
 	//read command line
 	sprintf(exefile,"/proc/%d/cmdline", p->pid);
 	fd = fopen(exefile, "r");
+	if (fd==NULL) return -1;
 	if (fgets(buffer, sizeof(buffer), fd)==NULL) {
 		fclose(fd);
 		return -1;
-- 
2.25.1