From: Michael S. Tsirkin <mst@mellanox.co.il>
Date: Tue, 13 Jun 2006 14:19:42 +0000 (+0300)
Subject: IB/mthca: memfree completion with error FW bug workaround
X-Git-Tag: v2.6.18-rc1~1110^2~44
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e56ea794ec8636991e21942fc2e0d071ea8ee1d;p=pandora-kernel.git

IB/mthca: memfree completion with error FW bug workaround

Memfree firmware is in rare cases reporting WQE index == base - 1 in
receive completion with error, instead of (rq size - 1); base is 0 in
mthca.  Here is a patch to avoid kernel crash and report a correct WR
id in this case.

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