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Date: Tue, 15 Mar 2011 10:37:02 +0200 From: Rémi Denis-Courmont <remi.denis-courmont@...ia.com> To: netdev@...r.kernel.org Subject: [PATCH] Phonet: fix aligned-mode pipe socket buffer header reserve When the pipe uses aligned-mode data packets, we must reserve 4 bytes instead of 3 for the pipe protocol header. Otherwise the Phonet header would not be aligned, resulting in potentially corrupted headers with later unaligned memory writes. Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@...ia.com> --- net/phonet/pep.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/net/phonet/pep.c b/net/phonet/pep.c index 68e635f..f17fd84 100644 --- a/net/phonet/pep.c +++ b/net/phonet/pep.c @@ -1055,7 +1055,7 @@ static int pep_sendmsg(struct kiocb *iocb, struct sock *sk, if (!skb) return err; - skb_reserve(skb, MAX_PHONET_HEADER + 3); + skb_reserve(skb, MAX_PHONET_HEADER + 3 + pn->aligned); err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len); if (err < 0) goto outfree; -- 1.7.1 -- 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
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