Commit fc925518 authored Dec 01, 2015 by Christoph Hellwig Committed by Doug Ledford Dec 07, 2015

IB/srp: Initialize dma_length in srp_map_idb



Without this sg_dma_len will return 0 on architectures tha have
the dma_length field.

Fixes: commit f7f7aab1 ("IB/srp: Convert to new registration API")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

parent 09c0c0be

drivers/infiniband/ulp/srp/ib_srp.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;