From: Roland Dreier <rolandd@cisco.com>
Date: Tue, 12 Jun 2007 17:50:42 +0000 (-0700)
Subject: IB/mlx4: Fix handling of wq->tail for send completions
X-Git-Tag: v2.6.22-rc6~70^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=614c3c85b5b4c3776439d464939c123cce679dee;p=pandora-kernel.git

IB/mlx4: Fix handling of wq->tail for send completions

Cast the increment added to wq->tail when send completions are
processed to u16 to avoid using wrong values caused by standard
integer promotions.

The same bug was fixed in libmlx4 by Eli Cohen <eli@mellanox.co.il>.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
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