From: Jack Morgenstein <jackm@mellanox.co.il>
Date: Mon, 29 May 2006 16:14:05 +0000 (+0300)
Subject: IPoIB: Fix kernel unaligned access on ia64
X-Git-Tag: v2.6.18-rc1~1110^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=37c22a77212c13201497378cc8becc5c95d0f3f5;p=pandora-kernel.git

IPoIB: Fix kernel unaligned access on ia64

Fix misaligned access faults on ia64: never cast a misaligned
neighbour->ha + 4 pointer to union ib_gid type; pass a void * pointer
instead.  The memcpy was being optimized to use full word accesses
because the compiler thought that union ib_gid is always aligned.

The cast in IPOIB_GID_ARG is safe, since it is fixed to access each
byte separately.

Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---

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