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| author | Stanislav Kinsbursky <skinsbursky@parallels.com> | 2012-09-18 13:37:18 +0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-10-01 15:27:38 -0700 |
| commit | 303a7ce92064c285a04c870f2dc0192fdb2968cb (patch) | |
| tree | 314e49df1536acc5b7752a1f8609392a13a890a8 /fs/lockd | |
| parent | e9406db20fecbfcab646bad157b4cfdc7cadddfb (diff) | |
| download | linux-303a7ce92064c285a04c870f2dc0192fdb2968cb.tar.gz | |
lockd: use rpc client's cl_nodename for id encoding
Taking hostname from uts namespace if not safe, because this cuold be performind during umount operation on child reaper death. And in this case current->nsproxy is NULL already. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Cc: <stable@vger.kernel.org> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/lockd')
| -rw-r--r-- | fs/lockd/mon.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c index 38f240e104ce..e0bc36e74ceb 100644 --- a/fs/lockd/mon.c +++ b/fs/lockd/mon.c @@ -42,6 +42,7 @@ struct nsm_args { u32 proc; char *mon_name; + char *nodename; }; struct nsm_res { @@ -141,6 +142,7 @@ static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res, .vers = 3, .proc = NLMPROC_NSM_NOTIFY, .mon_name = nsm->sm_mon_name, + .nodename = utsname()->nodename, }; struct rpc_message msg = { .rpc_argp = &args, @@ -477,7 +479,7 @@ static void encode_my_id(struct xdr_stream *xdr, const struct nsm_args *argp) { __be32 *p; - encode_nsm_string(xdr, utsname()->nodename); + encode_nsm_string(xdr, argp->nodename); p = xdr_reserve_space(xdr, 4 + 4 + 4); *p++ = cpu_to_be32(argp->prog); *p++ = cpu_to_be32(argp->vers); |