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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2020-05-29 11:39:18 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-06-03 02:32:54 +0300 |
| commit | 87d9e568496aeb519f1da61f54ac0dcb8d37561e (patch) | |
| tree | e4b8a72cf9e5668fe69fbc67f6253d58c49fd8c9 /drivers/infiniband | |
| parent | 278f74b39e641e1315e1b7f11b26aa1f989a40fc (diff) | |
| download | linux-87d9e568496aeb519f1da61f54ac0dcb8d37561e.tar.xz | |
RDMA/hns: Uninitialized variable in modify_qp_init_to_rtr()
The "dmac" variable is used before it is initialized.
Fixes: 494c3b312255 ("RDMA/hns: Refactor the QP context filling process related to WQE buffer configure")
Link: https://lore.kernel.org/r/20200529083918.GA1298465@mwanda
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 6454ac4ad06f..c597d7281629 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4030,6 +4030,7 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp, port = (attr_mask & IB_QP_PORT) ? (attr->port_num - 1) : hr_qp->port; smac = (u8 *)hr_dev->dev_addr[port]; + dmac = (u8 *)attr->ah_attr.roce.dmac; /* when dmac equals smac or loop_idc is 1, it should loopback */ if (ether_addr_equal_unaligned(dmac, smac) || hr_dev->loop_idc == 0x1) { @@ -4053,7 +4054,6 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp, roce_set_field(qpc_mask->byte_20_smac_sgid_idx, V2_QPC_BYTE_20_SGID_IDX_M, V2_QPC_BYTE_20_SGID_IDX_S, 0); - dmac = (u8 *)attr->ah_attr.roce.dmac; memcpy(&(context->dmac), dmac, sizeof(u32)); roce_set_field(context->byte_52_udpspn_dmac, V2_QPC_BYTE_52_DMAC_M, V2_QPC_BYTE_52_DMAC_S, *((u16 *)(&dmac[4]))); |