diff options
Diffstat (limited to 'drivers/pci/endpoint/pci-epc-core.c')
| -rw-r--r-- | drivers/pci/endpoint/pci-epc-core.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c index 575a0f208c95..78cc7d47a7d4 100644 --- a/drivers/pci/endpoint/pci-epc-core.c +++ b/drivers/pci/endpoint/pci-epc-core.c @@ -600,10 +600,17 @@ EXPORT_SYMBOL_GPL(pci_epc_clear_bar); int pci_epc_set_bar(struct pci_epc *epc, u8 func_no, u8 vfunc_no, struct pci_epf_bar *epf_bar) { - int ret; + const struct pci_epc_features *epc_features; + enum pci_barno bar = epf_bar->barno; int flags = epf_bar->flags; + int ret; - if (!pci_epc_function_is_valid(epc, func_no, vfunc_no)) + epc_features = pci_epc_get_features(epc, func_no, vfunc_no); + if (!epc_features) + return -EINVAL; + + if (epc_features->bar[bar].type == BAR_FIXED && + (epc_features->bar[bar].fixed_size != epf_bar->size)) return -EINVAL; if ((epf_bar->barno == BAR_5 && flags & PCI_BASE_ADDRESS_MEM_TYPE_64) || |