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IB/srp: Initialize dma_length in srp_map_idb

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

Fixes: commit f7f7aab1a5 ("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>
This commit is contained in:
Christoph Hellwig 2015-12-01 10:18:30 -08:00 committed by Doug Ledford
parent 09c0c0bea5
commit fc925518aa
1 changed files with 3 additions and 0 deletions
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3
drivers/infiniband/ulp/srp/ib_srp.c
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@ -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;