From d1058f28e93a4ec4eefc93d2d3aa7907c7f6d238 Mon Sep 17 00:00:00 2001
From: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
Date: Sat, 18 Feb 2017 13:20:43 +0100
Subject: [PATCH] add check if inotify_add_watch returns descriptor
---
tools/proxy.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/proxy.c b/tools/proxy.c
index 66f7c00aa..5a86a9b07 100644
--- a/tools/proxy.c
+++ b/tools/proxy.c
@@ -250,6 +250,11 @@ static void wait_hermit_available(void)
else
wd = inotify_add_watch(fd, "/sys/hermit", IN_MODIFY|IN_CREATE);
+ if (wd < 0) {
+ perror("inotify_add_watch");
+ exit(1);
+ }
+
while(1) {
int length = read(fd, buffer, BUF_LEN);