From 3d67fe3cd06b9f7ab12a4cc47e2bac4410ffeb2a Mon Sep 17 00:00:00 2001
From: Sascha Wildner <saw@online.de>
Date: Fri, 19 Oct 2012 09:36:36 +0200
Subject: [PATCH] ndis_events(8): Check a read().

Found-by: gcc47
---
 usr.sbin/802_11/ndis_events/ndis_events.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/usr.sbin/802_11/ndis_events/ndis_events.c b/usr.sbin/802_11/ndis_events/ndis_events.c
index 7cab62c02e..de1d7632e5 100644
--- a/usr.sbin/802_11/ndis_events/ndis_events.c
+++ b/usr.sbin/802_11/ndis_events/ndis_events.c
@@ -324,6 +324,10 @@ main(int argc, char *argv[])
 
 	while (1) {
 		n = read(r, msg, NDIS_INDICATION_LEN);
+		if (n < 0) {
+			dbgmsg("read failed");
+			exit(1);
+		}
 		rtm = (struct rt_msghdr *)msg;
 		if (rtm->rtm_type != RTM_IFINFO)
 			continue;
-- 
2.41.0