func_no is a member of struct pci_epf.
struct pci_epf is used as an argument to pci_epc_add_epf(),
therefore func_no should be populated before calling pci_epc_add_epf().

Fixes: d74679911610 ("PCI: endpoint: Introduce configfs entry for configuring 
EP functions")
Signed-off-by: Niklas Cassel <niklas.cas...@axis.com>
Suggested-by: Kishon Vijay Abraham I <kis...@ti.com>
---
 drivers/pci/endpoint/pci-ep-cfs.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/pci/endpoint/pci-ep-cfs.c 
b/drivers/pci/endpoint/pci-ep-cfs.c
index 4f74386c1ced..e8f65eb51c1a 100644
--- a/drivers/pci/endpoint/pci-ep-cfs.c
+++ b/drivers/pci/endpoint/pci-ep-cfs.c
@@ -97,22 +97,20 @@ static int pci_epc_epf_link(struct config_item *epc_item,
 {
        int ret;
        u32 func_no = 0;
-       struct pci_epc *epc;
-       struct pci_epf *epf;
        struct pci_epf_group *epf_group = to_pci_epf_group(epf_item);
        struct pci_epc_group *epc_group = to_pci_epc_group(epc_item);
-
-       epc = epc_group->epc;
-       epf = epf_group->epf;
-       ret = pci_epc_add_epf(epc, epf);
-       if (ret)
-               goto err_add_epf;
+       struct pci_epc *epc = epc_group->epc;
+       struct pci_epf *epf = epf_group->epf;
 
        func_no = find_first_zero_bit(&epc_group->function_num_map,
                                      sizeof(epc_group->function_num_map));
        set_bit(func_no, &epc_group->function_num_map);
        epf->func_no = func_no;
 
+       ret = pci_epc_add_epf(epc, epf);
+       if (ret)
+               goto err_add_epf;
+
        ret = pci_epf_bind(epf);
        if (ret)
                goto err_epf_bind;
-- 
2.14.2

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