From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Fri, 5 Oct 2012 00:15:48 +0000 (-0700)
Subject: rapidio/rionet: fix multicast packet transmit logic
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~12^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c4a6106d6451fc03c491e61df37c044505d843a;p=pandora-kernel.git

rapidio/rionet: fix multicast packet transmit logic

Fix multicast packet transmit logic to account for repetitive transmission
of single skb:
- correct check for available buffers (this bug may produce NULL pointer
  crash dump in case of heavy traffic);
- update skb user count (incorrect user counter causes a warning dump from
  net_tx_action routine during multicast transfers in systems with three or
  more rionet participants).

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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