From: Roland Dreier <rolandd@cisco.com>
Date: Tue, 15 Nov 2005 08:19:21 +0000 (-0800)
Subject: [IB] srp: don't post receive if no send buf available
X-Git-Tag: v2.6.15-rc2~15^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=47f2bce9021b4974ed33b072ebb8348c8145c946;p=pandora-kernel.git

[IB] srp: don't post receive if no send buf available

Have __srp_get_tx_iu() fail if the target port's request limit will
not allow the initiator to post a send.  This avoids continuing on and
posting a receive, and then failing to post a corresponding send.  If
that happens, then the initiator will end up with an extra receive
posted, and if this happens to much, the receive queue will overflow.

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