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| author | Sagi Grimberg <sagig@mellanox.com> | 2015-08-06 18:32:50 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-08-31 01:12:28 +0300 |
| commit | 8d5944d80359e645feb2ebd069a6f4caf7825e40 (patch) | |
| tree | 2a2dcacceb1f7d9c0ed7f40c55a44008dded20b6 /drivers/infiniband/ulp/iser/iscsi_iser.h | |
| parent | 02816a8b8881f9dea68883c9b72672e87cb91d36 (diff) | |
| download | linux-8d5944d80359e645feb2ebd069a6f4caf7825e40.tar.xz | |
IB/iser: Fix possible bogus DMA unmapping
If iser_initialize_task_headers() routine failed before
dma mapping, we should not attempt to unmap in cleanup_task().
Fixes: 7414dde0a6c3a958e (IB/iser: Fix race between iser connection ...)
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/ulp/iser/iscsi_iser.h')
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index 262ba1f8ee50..d2b6caf7694d 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -270,6 +270,7 @@ enum iser_desc_type { * sg[1] optionally points to either of immediate data * unsolicited data-out or control * @num_sge: number sges used on this TX task + * @mapped: Is the task header mapped */ struct iser_tx_desc { struct iser_hdr iser_header; @@ -278,6 +279,7 @@ struct iser_tx_desc { u64 dma_addr; struct ib_sge tx_sg[2]; int num_sge; + bool mapped; }; #define ISER_RX_PAD_SIZE (256 - (ISER_RX_PAYLOAD_SIZE + \ |