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Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/xprtrdma/rpc_rdma.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
index f60d229..e3560c2 100644
--- a/net/sunrpc/xprtrdma/rpc_rdma.c
+++ b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -773,12 +773,17 @@ rpcrdma_inline_fixup(struct rpc_rqst *rqst, char *srcp, int copy_len, int pad)
page_base &= ~PAGE_MASK;
if (copy_len && rqst->rq_rcv_buf.page_len) {
- npages = PAGE_ALIGN(page_base +
- rqst->rq_rcv_buf.page_len) >> PAGE_SHIFT;
+ int pagelist_len;
+
+ pagelist_len = rqst->rq_rcv_buf.page_len;
+ if (pagelist_len > copy_len)
+ pagelist_len = copy_len;
+ npages = PAGE_ALIGN(page_base + pagelist_len) >> PAGE_SHIFT;
for (; i < npages; i++) {
curlen = PAGE_SIZE - page_base;
- if (curlen > copy_len)
- curlen = copy_len;
+ if (curlen > pagelist_len)
+ curlen = pagelist_len;
+
dprintk("RPC: %s: page %d"
" srcp 0x%p len %d curlen %d\n",
__func__, i, srcp, copy_len, curlen);
@@ -788,7 +793,8 @@ rpcrdma_inline_fixup(struct rpc_rqst *rqst, char *srcp, int copy_len, int pad)
kunmap_atomic(destp);
srcp += curlen;
copy_len -= curlen;
- if (copy_len == 0)
+ pagelist_len -= curlen;
+ if (!pagelist_len)
break;
page_base = 0;
}