From: Jo-Philipp Wich <jow@openwrt.org>
Date: Thu, 29 Oct 2015 09:43:49 +0000 (+0100)
Subject: nl80211: fix possible fd leak in nl80211_hostapd_hup()
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fiwinfo.git;a=commitdiff_plain;h=b19476dec2a657cfb87052f013a98ccb9cfb8109

nl80211: fix possible fd leak in nl80211_hostapd_hup()

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
---

diff --git a/iwinfo_nl80211.c b/iwinfo_nl80211.c
index 4add5f4..a08d580 100644
--- a/iwinfo_nl80211.c
+++ b/iwinfo_nl80211.c
@@ -951,7 +951,7 @@ static void nl80211_hostapd_hup(const char *ifname)
 	if (phy)
 	{
 		snprintf(buf, sizeof(buf), "/var/run/wifi-%s.pid", phy);
-		if ((fd = open(buf, O_RDONLY)) > 0)
+		if ((fd = open(buf, O_RDONLY)) >= 0)
 		{
 			if (read(fd, buf, sizeof(buf)) > 0)
 				pid = atoi(buf);