PCI: endpoint: Fix double free in __pci_epc_create()

The pci_epc_release() function frees "epc" so the kfree() on the next line
is a double free.  Drop the redundant free.

Fixes: 7711cbb ("PCI: endpoint: Fix WARN() when an endpoint driver is removed")
Link: https://lore.kernel.org/r/2ce68694-87a7-4c06-b8a4-9870c891b580@moroto.mountain
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Author: Dan Carpenter

drivers/pci/endpoint/pci-epc-core.c

@@ -869,7 +869,6 @@ __pci_epc_create(struct device *dev, const struct pci_epc_ops *ops,
 
 put_dev:
 	put_device(&epc->dev);
-	kfree(epc);
 
 err_ret:
 	return ERR_PTR(ret);