From 1cf362e907f36f104b9cf590ee6ced786226b388 Mon Sep 17 00:00:00 2001 From: Kishon Vijay Abraham I Date: Thu, 19 Aug 2021 18:03:37 +0530 Subject: 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 ] Link: https://lore.kernel.org/r/20210819123343.1951-3-kishon@ti.com Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Wei Yongjun Signed-off-by: Lorenzo Pieralisi --- drivers/pci/endpoint/pci-epc-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/pci/endpoint/pci-epc-core.c') 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) -- cgit v1.2.3