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SUNRPC: Prevent mixed sign comparisons in rpcrdma_convert_iovs()

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Keep the type of the buffer position the same during iovec conversion to
reduce the likelihood of unexpected results from comparisons and length
computations.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: Thomas Talpey <Thomas.Talpey@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever 2007-10-26 13:30:43 -04:00 committed by Trond Myklebust
parent c087567d3f
commit 2a428b2b8f
1 changed files with 3 additions and 3 deletions
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6
net/sunrpc/xprtrdma/rpc_rdma.c
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@ -83,7 +83,7 @@ static const char transfertypes[][12] = {
*/
static int
rpcrdma_convert_iovs(struct xdr_buf *xdrbuf, int pos,
rpcrdma_convert_iovs(struct xdr_buf *xdrbuf, unsigned int pos,
enum rpcrdma_chunktype type, struct rpcrdma_mr_seg *seg, int nsegs)
{
int len, n = 0, p;
@ -169,7 +169,7 @@ rpcrdma_create_chunks(struct rpc_rqst *rqst, struct xdr_buf *target,
struct rpcrdma_req *req = rpcr_to_rdmar(rqst);
struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(rqst->rq_task->tk_xprt);
int nsegs, nchunks = 0;
int pos;
unsigned int pos;
struct rpcrdma_mr_seg *seg = req->rl_segments;
struct rpcrdma_read_chunk *cur_rchunk = NULL;
struct rpcrdma_write_array *warray = NULL;
@ -213,7 +213,7 @@ rpcrdma_create_chunks(struct rpc_rqst *rqst, struct xdr_buf *target,
(__be32 *)&cur_rchunk->rc_target.rs_offset,
seg->mr_base);
dprintk("RPC: %s: read chunk "
"elem %d@0x%llx:0x%x pos %d (%s)\n", __func__,
"elem %d@0x%llx:0x%x pos %u (%s)\n", __func__,
seg->mr_len, (unsigned long long)seg->mr_base,
seg->mr_rkey, pos, n < nsegs ? "more" : "last");
cur_rchunk++;