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IB/core: Tidy ib_resolve_eth_dmac

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No reason to call rdma_ah_retrieve_grh, tidy whitespace, and add a
function comment block.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
This commit is contained in:
Parav Pandit 2018-06-13 10:22:04 +03:00 committed by Jason Gunthorpe
parent 8d9ec9addd
commit 947c99ecfc
1 changed files with 10 additions and 4 deletions
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14
drivers/infiniband/core/verbs.c
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@ -1455,13 +1455,19 @@ bool ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state,
}
EXPORT_SYMBOL(ib_modify_qp_is_ok);
/**
* ib_resolve_eth_dmac - Resolve destination mac address
* @device: Device to consider
* @ah_attr: address handle attribute which describes the
* source and destination parameters
* ib_resolve_eth_dmac() resolves destination mac address and L3 hop limit It
* returns 0 on success or appropriate error code. It initializes the
* necessary ah_attr fields when call is successful.
*/
static int ib_resolve_eth_dmac(struct ib_device *device,
struct rdma_ah_attr *ah_attr)
{
int ret = 0;
struct ib_global_route *grh;
grh = rdma_ah_retrieve_grh(ah_attr);
int ret = 0;
if (rdma_is_multicast_addr((struct in6_addr *)ah_attr->grh.dgid.raw)) {
if (ipv6_addr_v4mapped((struct in6_addr *)ah_attr->grh.dgid.raw)) {