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| author | Kishon Vijay Abraham I <kishon@ti.com> | 2021-08-19 18:03:37 +0530 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2021-08-19 14:13:28 +0100 |
| commit | 1cf362e907f36f104b9cf590ee6ced786226b388 (patch) | |
| tree | 6cc906653e21e5815634944fcd88ad423051ac4b /drivers/pci/endpoint/pci-epc-core.c | |
| parent | f00bfc6489952528947cba05af158a4badf41688 (diff) | |
| download | linux-1cf362e907f36f104b9cf590ee6ced786226b388.tar.bz2 | |
PCI: endpoint: Add support to add virtual function in endpoint core
Add support to add virtual function in endpoint core. The virtual
function can only be associated with a physical function instead of a
endpoint controller. Provide APIs to associate a virtual function with
a physical function here.
[weiyongjun1@huawei.com: PCI: endpoint: Fix missing unlock on error in
pci_epf_add_vepf() - Reported-by: Hulk Robot <hulkci@huawei.com>]
Link: https://lore.kernel.org/r/20210819123343.1951-3-kishon@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Diffstat (limited to 'drivers/pci/endpoint/pci-epc-core.c')
| -rw-r--r-- | drivers/pci/endpoint/pci-epc-core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c index adec9bee72cf..01c58ca84dcc 100644 --- a/drivers/pci/endpoint/pci-epc-core.c +++ b/drivers/pci/endpoint/pci-epc-core.c @@ -548,7 +548,7 @@ int pci_epc_add_epf(struct pci_epc *epc, struct pci_epf *epf, u32 func_no; int ret = 0; - if (IS_ERR_OR_NULL(epc)) + if (IS_ERR_OR_NULL(epc) || epf->is_vf) return -EINVAL; if (type == PRIMARY_INTERFACE && epf->epc) |