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xprtrdma: Fix use of xdr_stream_encode_item_{present, absent}

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These new helpers do not return 0 on success, they return the
encoded size. Thus they are not a drop-in replacement for the
old helpers.

Fixes: 5c266df52701 ("SUNRPC: Add encoders for list item discriminators")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2020-04-19 20:03:10 -04:00 committed by Anna Schumaker
parent bdb2ce8281
commit 48a124e383
1 changed files with 11 additions and 4 deletions
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15
net/sunrpc/xprtrdma/rpc_rdma.c
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@ -388,7 +388,9 @@ static int rpcrdma_encode_read_list(struct rpcrdma_xprt *r_xprt,
} while (nsegs);
done:
return xdr_stream_encode_item_absent(xdr);
if (xdr_stream_encode_item_absent(xdr) < 0)
return -EMSGSIZE;
return 0;
}
/* Register and XDR encode the Write list. Supports encoding a list
@ -454,7 +456,9 @@ static int rpcrdma_encode_write_list(struct rpcrdma_xprt *r_xprt,
*segcount = cpu_to_be32(nchunks);
done:
return xdr_stream_encode_item_absent(xdr);
if (xdr_stream_encode_item_absent(xdr) < 0)
return -EMSGSIZE;
return 0;
}
/* Register and XDR encode the Reply chunk. Supports encoding an array
@ -480,8 +484,11 @@ static int rpcrdma_encode_reply_chunk(struct rpcrdma_xprt *r_xprt,
int nsegs, nchunks;
__be32 *segcount;
if (wtype != rpcrdma_replych)
return xdr_stream_encode_item_absent(xdr);
if (wtype != rpcrdma_replych) {
if (xdr_stream_encode_item_absent(xdr) < 0)
return -EMSGSIZE;
return 0;
}
seg = req->rl_segments;
nsegs = rpcrdma_convert_iovs(r_xprt, &rqst->rq_rcv_buf, 0, wtype, seg);