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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-02-18 22:34:58 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-02-18 23:30:47 +0300 |
| commit | b1c0df5fadc917ba3724ae9fdfcc6f97db34736a (patch) | |
| tree | 0f369742e4d930a2ae0de2bcd03373a47d7f0586 /fs/nfs/callback_proc.c | |
| parent | 79969dd12e8756f64a999992c0536ccd91bf6e54 (diff) | |
| download | linux-b1c0df5fadc917ba3724ae9fdfcc6f97db34736a.tar.xz | |
NFSv4.1: Don't set up a backchannel if the server didn't agree to do so
If the server doesn't agree to out backchannel setup request, then
don't set one up.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/callback_proc.c')
| -rw-r--r-- | fs/nfs/callback_proc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c index e36a9d78ea49..197806fb87ff 100644 --- a/fs/nfs/callback_proc.c +++ b/fs/nfs/callback_proc.c @@ -427,6 +427,8 @@ __be32 nfs4_callback_sequence(struct cb_sequenceargs *args, if (clp == NULL) goto out; + if (!(clp->cl_session->flags & SESSION4_BACK_CHAN)) + goto out; tbl = &clp->cl_session->bc_slot_table; spin_lock(&tbl->slot_tbl_lock); |