From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Wed, 23 May 2012 17:24:36 +0000 (-0400)
Subject: NFSv4: Fix a race in the net namespace mount notification
X-Git-Tag: v3.5-rc1~52^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4697bd5e9419348ef9fa9b55cefe4355ad9d3d01;p=pandora-kernel.git

NFSv4: Fix a race in the net namespace mount notification

Since the struct nfs_client gets added to the global nfs_client_list
before it is initialised, it is possible that rpc_pipefs_event can
end up trying to create idmapper entries on such a thing.

The solution is to have the mount notification wait for the
initialisation of each nfs_client to complete, and then to
skip any entries for which the it failed.

Reported-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
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