From: Christoph Hellwig <[email protected]>
Without this sg_dma_len will return 0 on architectures tha have
the dma_length field.
Fixes: commit f7f7aab1a5c0 ("IB/srp: Convert to new registration API")
Signed-off-by: Christoph Hellwig <[email protected]>
---
drivers/infiniband/ulp/srp/ib_srp.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c
b/drivers/infiniband/ulp/srp/ib_srp.c
index c7a95d2..72fac20 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -1524,6 +1524,9 @@ static int srp_map_idb(struct srp_rdma_ch *ch, struct
srp_request *req,
state.sg_nents = 1;
sg_set_buf(idb_sg, req->indirect_desc, idb_len);
idb_sg->dma_address = req->indirect_dma_addr; /* hack! */
+#ifdef CONFIG_NEED_SG_DMA_LENGTH
+ idb_sg->dma_length = idb_sg->length; /* hack^2 */
+#endif
ret = srp_map_finish_fr(&state, ch);
if (ret < 0)
return ret;
--
2.1.4
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