From fa62e8199e32497d48b2f6ef9ecaa798bd53466a Mon Sep 17 00:00:00 2001
From: Aaron Marcher <me@drkhsh.at>
Date: Sat, 6 Jan 2018 23:37:09 +0100
Subject: [PATCH] Fix a bug in wifi_essid().

When an invalid interface name is passed to wifi_essid() it does not
close opened sockets.
---
 components/wifi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/wifi.c b/components/wifi.c
index 9ecb8e1..3767b21 100644
--- a/components/wifi.c
+++ b/components/wifi.c
@@ -77,6 +77,7 @@ wifi_essid(const char *iface)
 	wreq.u.essid.pointer = id;
 	if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
 		warn("Failed to get ESSID for interface %s", iface);
+		close(sockfd);
 		return NULL;
 	}