netdev - Re: [PATCH net-next-2.6 take2] ipv6: udp: Optimise multicast reception

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <4AF464FF.10609@gmail.com>
Date:	Fri, 06 Nov 2009 19:03:43 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Lucian Adrian Grijincu <lgrijincu@...acom.com>
CC:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	opurdila@...acom.com
Subject: Re: [PATCH net-next-2.6 take2] ipv6: udp: Optimise multicast reception

Lucian Adrian Grijincu a écrit :
> În data de Vin 06 Noi 2009 19:54:55 Eric Dumazet a scris:
>> We should atomic_inc(&sk->sk_drops) in the case skb_clone()
>> could not provide a copy, and eventually increment UDP_MIB_RCVBUFERRORS &
>> UDP_MIB_INERRORS SNMP counters
> 
> Shouldn't this be also done if udp_queue_rcv_skb() returned a failure code (a 
> positive number) instead of silently droping?
> 

Nope, this is correctly done in __udp_queue_rcv_skb() & sock_queue_rcv_skb()

Only multicast is lazy in this area.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html