From: Roy Marples <roy@marples.name>
Date: Tue, 12 Nov 2013 17:09:29 +0000 (+0000)
Subject: Warn if dev is started more than once.
X-Git-Tag: v6.2.0~57
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b2072e4c6eb7b556eb6925c05cd017b0e935847a;p=thirdparty%2Fdhcpcd.git

Warn if dev is started more than once.
---

diff --git a/dev.c b/dev.c
index d9a65a72..b33a3e00 100644
--- a/dev.c
+++ b/dev.c
@@ -159,6 +159,11 @@ int
 dev_start(const char *plugin)
 {
 
+	if (fd != -1) {
+		syslog(LOG_ERR, "%s: already started on fd %d", __func__, fd);
+		return fd;
+	}
+
 	fd = dev_start1(plugin);
 	if (fd != -1) {
 		if (eloop_event_add(fd, dev_handle_data, NULL) == -1) {