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| author | Chuck Lever <chuck.lever@oracle.com> | 2016-06-29 13:55:14 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2016-07-11 15:50:43 -0400 |
| commit | 0533b13072f4bf35738290d2cf9e299c7bc6c42a (patch) | |
| tree | 2590a9ac8ce35dc5163f5985d1b55420800b6611 /net | |
| parent | 65b80179f9b8171b74625febf3457f41e792fa23 (diff) | |
| download | linux-0533b13072f4bf35738290d2cf9e299c7bc6c42a.tar.gz linux-0533b13072f4bf35738290d2cf9e299c7bc6c42a.tar.bz2 linux-0533b13072f4bf35738290d2cf9e299c7bc6c42a.zip | |
svc: Avoid garbage replies when pc_func() returns rpc_drop_reply
If an RPC program does not set vs_dispatch and pc_func() returns
rpc_drop_reply, the server sends a reply anyway containing a single
word containing the value RPC_DROP_REPLY (in network byte-order, of
course). This is a nonsense RPC message.
Fixes: 9e701c610923 ("svcrpc: simpler request dropping")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/svc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index cc9852897395..87290a5a9ac7 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -1188,7 +1188,8 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) *statp = procp->pc_func(rqstp, rqstp->rq_argp, rqstp->rq_resp); /* Encode reply */ - if (test_bit(RQ_DROPME, &rqstp->rq_flags)) { + if (*statp == rpc_drop_reply || + test_bit(RQ_DROPME, &rqstp->rq_flags)) { if (procp->pc_release) procp->pc_release(rqstp, NULL, rqstp->rq_resp); goto dropit; |