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authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-05 12:06:12 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-05 15:03:46 -0400
commit9a1b6bf818e74bb7aabaecb59492b739f2f4d742 (patch)
treed0ae011473af73d2a8789b0fb557a8ab52db7aed /net
parentc095ba7224d8edc71dcef0d655911399a8bd4a3f (diff)
LOCKD: Don't call utsname()->nodename from nlmclnt_setlockargs
Firstly, nlmclnt_setlockargs can be called from a reclaimer thread, in which case we're in entirely the wrong namespace. Secondly, commit 8aac62706adaaf0fab02c4327761561c8bda9448 (move exit_task_namespaces() outside of exit_notify()) now means that exit_task_work() is called after exit_task_namespaces(), which triggers an Oops when we're freeing up the locks. Fix this by ensuring that we initialise the nlm_host's rpc_client at mount time, so that the cl_nodename field is initialised to the value of utsname()->nodename that the net namespace uses. Then replace the lockd callers of utsname()->nodename. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Toralf Förster <toralf.foerster@gmx.de> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Nix <nix@esperi.org.uk> Cc: Jeff Layton <jlayton@redhat.com> Cc: stable@vger.kernel.org # 3.10.x
Diffstat (limited to 'net')
0 files changed, 0 insertions, 0 deletions