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-rw-r--r--net/sunrpc/xprtrdma/rpc_rdma.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
index 436d229f31d..dc4a826192b 100644
--- a/net/sunrpc/xprtrdma/rpc_rdma.c
+++ b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -99,6 +99,12 @@ rpcrdma_convert_iovs(struct xdr_buf *xdrbuf, unsigned int pos,
page_base = xdrbuf->page_base & ~PAGE_MASK;
p = 0;
while (len && n < nsegs) {
+ if (!ppages[p]) {
+ /* alloc the pagelist for receiving buffer */
+ ppages[p] = alloc_page(GFP_ATOMIC);
+ if (!ppages[p])
+ return 0;
+ }
seg[n].mr_page = ppages[p];
seg[n].mr_offset = (void *)(unsigned long) page_base;
seg[n].mr_len = min_t(u32, PAGE_SIZE - page_base, len);