diff options
| author |   Dirk van der Merwe <dirk.vandermerwe@netronome.com> | 2019-04-24 20:18:02 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-04-26 12:08:13 -0400 |
| commit | 790d23e7c577ed2ef7c49f246ad8d53691fb1b20 (patch) | |
| tree | c89930fb646ab1387ae399fbbcc04fb4e160505f /drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c | |
| parent | NFC: st95hf: remove set but not used variables 'dev, nfcddev' (diff) | |
| download | linux-dev-790d23e7c577ed2ef7c49f246ad8d53691fb1b20.tar.xz linux-dev-790d23e7c577ed2ef7c49f246ad8d53691fb1b20.zip | |
nfp: implement PCI driver shutdown callback
Device may be shutdown without the hardware being reinitialized, in
which case we want to ensure we cleanup properly.
This is especially important for kexec with traffic flowing.
The shutdown procedures resembles the remove procedures, so we can reuse
those common tasks.
Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c b/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c index 1145849ca7ba..e4977cdf7678 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c @@ -282,8 +282,14 @@ err_free_vf: static void nfp_netvf_pci_remove(struct pci_dev *pdev) { - struct nfp_net_vf *vf = pci_get_drvdata(pdev); - struct nfp_net *nn = vf->nn; + struct nfp_net_vf *vf; + struct nfp_net *nn; + + vf = pci_get_drvdata(pdev); + if (!vf) + return; + + nn = vf->nn; /* Note, the order is slightly different from above as we need * to keep the nn pointer around till we have freed everything. @@ -317,4 +323,5 @@ struct pci_driver nfp_netvf_pci_driver = { .id_table = nfp_netvf_pci_device_ids, .probe = nfp_netvf_pci_probe, .remove = nfp_netvf_pci_remove, + .shutdown = nfp_netvf_pci_remove, }; |