From 9c89c1cabd0357fa4e58a91c4d9233702896b709 Mon Sep 17 00:00:00 2001
From: Topi Miettinen <toiwoton@gmail.com>
Date: Sun, 18 Jan 2015 23:57:35 +0200
Subject: libudev: fix check for too long packet

Don't use recvmsg(2) return value to check for too long packets
(it doesn't work) but MSG_TRUNC flag.

(David: add parantheses around condition)
---
 src/libudev/libudev-monitor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/libudev/libudev-monitor.c')

diff --git a/src/libudev/libudev-monitor.c b/src/libudev/libudev-monitor.c
index 484fefeebf..0d361426f7 100644
--- a/src/libudev/libudev-monitor.c
+++ b/src/libudev/libudev-monitor.c
@@ -609,7 +609,7 @@ retry:
                 return NULL;
         }
 
-        if (buflen < 32 || (size_t)buflen >= sizeof(buf)) {
+        if (buflen < 32 || (smsg.msg_flags & MSG_TRUNC)) {
                 log_debug("invalid message length");
                 return NULL;
         }
-- 
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