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nfsd41: use SEQ4_STATUS_BACKCHANNEL_FAULT when cb_sequence is invalid

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Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Benny Halevy
2011-10-19 19:12:58 -07:00
committed by J. Bruce Fields
parent 8b289b2c23
commit 5423732a71
3 changed files with 18 additions and 1 deletions
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10
fs/nfsd/nfs4callback.c
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@@ -39,6 +39,8 @@
#define NFSDDBG_FACILITY NFSDDBG_PROC
static void nfsd4_mark_cb_fault(struct nfs4_client *, int reason);
#define NFSPROC4_CB_NULL 0
#define NFSPROC4_CB_COMPOUND 1
@@ -460,6 +462,8 @@ static int decode_cb_sequence4resok(struct xdr_stream *xdr,
*/
status = 0;
out:
if (status)
nfsd4_mark_cb_fault(cb->cb_clp, status);
return status;
out_overflow:
print_overflow_msg(__func__, xdr);
@@ -686,6 +690,12 @@ static void nfsd4_mark_cb_down(struct nfs4_client *clp, int reason)
warn_no_callback_path(clp, reason);
}
static void nfsd4_mark_cb_fault(struct nfs4_client *clp, int reason)
{
clp->cl_cb_state = NFSD4_CB_FAULT;
warn_no_callback_path(clp, reason);
}
static void nfsd4_cb_probe_done(struct rpc_task *task, void *calldata)
{
struct nfs4_client *clp = container_of(calldata, struct nfs4_client, cl_cb_null);