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| author | Christoph Hellwig <hch@lst.de> | 2015-12-01 19:18:30 +0100 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-12-07 23:20:11 +0100 |
| commit | fc925518aa04ee9f03c4e0cadd9c59f1ef48bcfa (patch) | |
| tree | 57f2c0d0987fb4012a9c7e6de5ebf47e230ee4c3 /drivers/infiniband/ulp/srp | |
| parent | IB/srp: Fix possible send queue overflow (diff) | |
| download | linux-fc925518aa04ee9f03c4e0cadd9c59f1ef48bcfa.tar.xz linux-fc925518aa04ee9f03c4e0cadd9c59f1ef48bcfa.zip | |
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 f7f7aab1a5c0 ("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>
Diffstat (limited to 'drivers/infiniband/ulp/srp')
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index c7a95d2dc164..72fac204d756 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; |