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RDMA/rxe: Use ib_device_get_by_netdev() instead of open coding

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The core API handles the locking correctly and is faster if there are
multiple devices.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Jason Gunthorpe
2019-02-12 21:12:52 -07:00
parent 324e227ea7
commit 4c173f596b
4 changed files with 38 additions and 47 deletions
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17
drivers/infiniband/sw/rxe/rxe_verbs.c
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@@ -80,19 +80,6 @@ static int rxe_query_port(struct ib_device *dev,
return rc;
}
static struct net_device *rxe_get_netdev(struct ib_device *device,
u8 port_num)
{
struct rxe_dev *rxe = to_rdev(device);
if (rxe->ndev) {
dev_hold(rxe->ndev);
return rxe->ndev;
}
return NULL;
}
static int rxe_query_pkey(struct ib_device *device,
u8 port_num, u16 index, u16 *pkey)
{
@@ -1159,7 +1146,6 @@ static const struct ib_device_ops rxe_dev_ops = {
.get_dma_mr = rxe_get_dma_mr,
.get_hw_stats = rxe_ib_get_hw_stats,
.get_link_layer = rxe_get_link_layer,
.get_netdev = rxe_get_netdev,
.get_port_immutable = rxe_port_immutable,
.map_mr_sg = rxe_map_mr_sg,
.mmap = rxe_mmap,
@@ -1240,6 +1226,9 @@ int rxe_register_device(struct rxe_dev *rxe)
;
ib_set_device_ops(dev, &rxe_dev_ops);
err = ib_device_set_netdev(&rxe->ib_dev, rxe->ndev, 1);
if (err)
return err;
tfm = crypto_alloc_shash("crc32", 0, 0);
if (IS_ERR(tfm)) {