From: Roland Dreier <rolandd@cisco.com>
Date: Wed, 9 Nov 2005 20:23:17 +0000 (-0800)
Subject: [IB] mthca: fix wraparound handling in mthca_cq_clean()
X-Git-Tag: v2.6.15-rc1~45^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=64044bcf75063cb5a6d42712886a712449df2ce3;p=pandora-kernel.git

[IB] mthca: fix wraparound handling in mthca_cq_clean()

Handle case where prod_index has wrapped around and become less than
cq->cons_index by checking that their difference as a signed int is
positive rather than comparing directly.

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