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

Mon Jan 14 17:41:01 UTC 2013

On Sat, Dec 15, 2012 at 08:11:32PM +0000, Ben Hutchings wrote:
> 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.

No, it's already in 3.4 somehow, but thanks for the patch anyway.

greg k-h