From: Steve Wise <swise@opengridcomputing.com>
Date: Fri, 13 May 2011 18:37:18 +0000 (+0000)
Subject: RDMA/cxgb3: Don't post zero-byte read if endpoint is going away
X-Git-Tag: v3.0-rc1~132^2^2
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=807838686eb9e40d73b8a3f2384881358f51fff0;p=pandora-kernel.git

RDMA/cxgb3: Don't post zero-byte read if endpoint is going away

tx_ack() wasn't checking the endpoint state and consequently would
attempt to post the p2p 0B read on an endpoint/QP that is closing or
aborting.  This causes a NULL pointer dereference crash.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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