diff mbox

[3/6] IB/srp: Initialize dma_length in srp_map_idb

Message ID 565DE476.3080308@sandisk.com (mailing list archive)
State Accepted
Headers show

Commit Message

Bart Van Assche Dec. 1, 2015, 6:18 p.m. UTC 
From: Christoph Hellwig <hch@lst.de>

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 <hch@lst.de>
---
 drivers/infiniband/ulp/srp/ib_srp.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Sagi Grimberg Dec. 1, 2015, 6:35 p.m. UTC | #1 
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
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diff mbox

Patch

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;