From: Arend van Spriel <arend@broadcom.com>
Date: Wed, 3 Apr 2013 10:40:28 +0000 (+0200)
Subject: brcmfmac: use skb_cow() in brcmf_sdbrcm_txpkt() to assure alignment
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~65^2~170^2^2~50
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aeecc574a428a116936cadcea06b47cffad16ba1;p=pandora-kernel.git

brcmfmac: use skb_cow() in brcmf_sdbrcm_txpkt() to assure alignment

In brcmf_sdbrcm_txpkt() a new packet is allocated and used to transmit
to firmware freeing up the original packet. However, that packet is
still referenced in firmware-signalling so this would result in a
double free. Using skb_cow() avoids this as the packet reference is
unchanged.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Piotr Haber <phaber@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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