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net/mlx5: fix returned values upon failed probing

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Fixes: 771fa900b7 ("mlx5: introduce new driver for Mellanox ConnectX-4 adapters")
Cc: stable@dpdk.org

Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
This commit is contained in:
Gaetan Rivet 2017-03-28 16:13:12 +02:00 committed by Ferruh Yigit
parent 9e09761b43
commit 5525aa8fad
1 changed files with 6 additions and 8 deletions
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14
drivers/net/mlx5/mlx5.c
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@ -410,10 +410,8 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
list = ibv_get_device_list(&i);
if (list == NULL) {
assert(errno);
if (errno == ENOSYS) {
WARN("cannot list devices, is ib_uverbs loaded?");
return 0;
}
if (errno == ENOSYS)
ERROR("cannot list devices, is ib_uverbs loaded?");
return -errno;
}
assert(i >= 0);
@ -477,11 +475,11 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
ibv_free_device_list(list);
switch (err) {
case 0:
WARN("cannot access device, is mlx5_ib loaded?");
return 0;
ERROR("cannot access device, is mlx5_ib loaded?");
return -ENODEV;
case EINVAL:
WARN("cannot use device, are drivers up to date?");
return 0;
ERROR("cannot use device, are drivers up to date?");
return -EINVAL;
}
assert(err > 0);
return -err;