svc_rdma_xdr_decode_deferred_req() indexes an array with an
un-byte-swapped value off the wire. Fortunately this function
isn't used anywhere, so simply remove it.
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
include/linux/sunrpc/svc_rdma.h | 1 -
net/sunrpc/xprtrdma/svc_rdma_marshal.c | 56 --------------------------------
2 files changed, 0 insertions(+), 57 deletions(-)
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index df8edf8..8ad9b6d 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -182,7 +182,6 @@ struct svcxprt_rdma {
/* svc_rdma_marshal.c */
extern int svc_rdma_xdr_decode_req(struct rpcrdma_msg **, struct svc_rqst *);
-extern int svc_rdma_xdr_decode_deferred_req(struct svc_rqst *);
extern int svc_rdma_xdr_encode_error(struct svcxprt_rdma *,
struct rpcrdma_msg *,
enum rpcrdma_errcode, u32 *);
diff --git a/net/sunrpc/xprtrdma/svc_rdma_marshal.c b/net/sunrpc/xprtrdma/svc_rdma_marshal.c
index b681855..45e22c9 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_marshal.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_marshal.c
@@ -211,62 +211,6 @@ int svc_rdma_xdr_decode_req(struct rpcrdma_msg **rdma_req,
return hdr_len;
}
-int svc_rdma_xdr_decode_deferred_req(struct svc_rqst *rqstp)
-{
- struct rpcrdma_msg *rmsgp = NULL;
- struct rpcrdma_read_chunk *ch;
- struct rpcrdma_write_array *ary;
- u32 *va;
- u32 hdrlen;
-
- dprintk("svcrdma: processing deferred RDMA header on rqstp=%p\n",
- rqstp);
- rmsgp = (struct rpcrdma_msg *)rqstp->rq_arg.head[0].iov_base;
-
- /* Pull in the extra for the padded case and bump our pointer */
- if (rmsgp->rm_type == RDMA_MSGP) {
- va = &rmsgp->rm_body.rm_padded.rm_pempty[4];
- rqstp->rq_arg.head[0].iov_base = va;
- hdrlen = (u32)((unsigned long)va - (unsigned long)rmsgp);
- rqstp->rq_arg.head[0].iov_len -= hdrlen;
- return hdrlen;
- }
-
- /*
- * Skip all chunks to find RPC msg. These were previously processed
- */
- va = &rmsgp->rm_body.rm_chunks[0];
-
- /* Skip read-list */
- for (ch = (struct rpcrdma_read_chunk *)va;
- ch->rc_discrim != xdr_zero; ch++);
- va = (u32 *)&ch->rc_position;
-
- /* Skip write-list */
- ary = (struct rpcrdma_write_array *)va;
- if (ary->wc_discrim == xdr_zero)
- va = (u32 *)&ary->wc_nchunks;
- else
- /*
- * rs_length is the 2nd 4B field in wc_target and taking its
- * address skips the list terminator
- */
- va = (u32 *)&ary->wc_array[ary->wc_nchunks].wc_target.rs_length;
-
- /* Skip reply-array */
- ary = (struct rpcrdma_write_array *)va;
- if (ary->wc_discrim == xdr_zero)
- va = (u32 *)&ary->wc_nchunks;
- else
- va = (u32 *)&ary->wc_array[ary->wc_nchunks];
-
- rqstp->rq_arg.head[0].iov_base = va;
- hdrlen = (unsigned long)va - (unsigned long)rmsgp;
- rqstp->rq_arg.head[0].iov_len -= hdrlen;
-
- return hdrlen;
-}
-
int svc_rdma_xdr_encode_error(struct svcxprt_rdma *xprt,
struct rpcrdma_msg *rmsgp,
enum rpcrdma_errcode err, u32 *va)
--
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