[PATCH 167/241] SUNRPC: Set alloc_slot for backchannel tcp ops

[Ben Hutchings]

On Thu, 2012-12-13 at 11:58 -0200, Herton Ronaldo Krzesinski wrote:
> 3.5.7.2 -stable review patch.  If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: Bryan Schumaker <bjschuma at netapp.com>
> 
> commit 84e28a307e376f271505af65a7b7e212dd6f61f4 upstream.
> 
> f39c1bfb5a03e2d255451bff05be0d7255298fa4 (SUNRPC: Fix a UDP transport
> regression) introduced the "alloc_slot" function for xprt operations,
> but never created one for the backchannel operations.  This patch fixes
> a null pointer dereference when mounting NFS over v4.1.
[...]

Greg, you missed this in 3.4.y.  It might need a context fix; I'm
attaching the version I used for 3.2.y.

Ben.

-- 
Ben Hutchings
Theory and practice are closer in theory than in practice.
                                - John Levine, moderator of comp.compilers
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