* Enabled hardened build flags, thanks Moritz Muehlenhoff (closes: #657846)

[l2tpns.git] / l2tpns.c

diff --git a/l2tpns.c b/l2tpns.c
index fcd054d..63d110d 100644 (file)
--- a/l2tpns.c
+++ b/l2tpns.c
@@ -10,6 +10,7 @@
 #include <fcntl.h>
 #include <linux/if_tun.h>
 #define SYSLOG_NAMES
+#include <stdio.h>
 #include <syslog.h>
 #include <malloc.h>
 #include <net/route.h>
@@ -19,7 +20,6 @@
 #include <netinet/ip6.h>
 #include <stdarg.h>
 #include <stdlib.h>
-#include <stdio.h>
 #include <string.h>
 #include <ctype.h>
 #include <sys/ioctl.h>
@@ -5050,9 +5050,9 @@ int main(int argc, char *argv[])
                case 'd':
                        if (fork()) exit(0);
                        setsid();
-                       freopen("/dev/null", "r", stdin);
-                       freopen("/dev/null", "w", stdout);
-                       freopen("/dev/null", "w", stderr);
+                       FILE *in = freopen("/dev/null", "r", stdin);
+                       FILE *out = freopen("/dev/null", "w", stdout);
+                       FILE *err = freopen("/dev/null", "w", stderr);
                        break;
                case 'v':
                        optdebug++;
@@ -5103,7 +5103,7 @@ int main(int argc, char *argv[])
                        LOG(0, 0, 0, "Can't set ulimit: %s\n", strerror(errno));
 
                // Make core dumps go to /tmp
-               chdir("/tmp");
+               int ret = chdir("/tmp");
        }
 
        if (config->scheduler_fifo)