From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Tue, 15 Mar 2011 23:56:30 +0000 (-0400)
Subject: SUNRPC: Ensure we always run the tk_callback before tk_action
X-Git-Tag: v2.6.39-rc1~443^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e020c6800c9621a77223bf2c1ff68180e41e8ebf;p=pandora-kernel.git

SUNRPC: Ensure we always run the tk_callback before tk_action

This fixes a race in which the task->tk_callback() puts the rpc_task
to sleep, setting a new callback. Under certain circumstances, the current
code may end up executing the task->tk_action before it gets round to the
callback.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org
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