PCI: Make pci_bus_add_device() void
pci_bus_add_device() always returns 0, so there's no point in returning
anything at all. Make it a void function and remove the tests of the
return value from the callers.
[bhelgaas: changelog, remove unused "err" from i82875p_setup_overfl_dev()]
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c
index 8d0450b..4009077 100644
--- a/drivers/edac/i82875p_edac.c
+++ b/drivers/edac/i82875p_edac.c
@@ -275,7 +275,6 @@
{
struct pci_dev *dev;
void __iomem *window;
- int err;
*ovrfl_pdev = NULL;
*ovrfl_window = NULL;
@@ -293,12 +292,7 @@
if (dev == NULL)
return 1;
- err = pci_bus_add_device(dev);
- if (err) {
- i82875p_printk(KERN_ERR,
- "%s(): pci_bus_add_device() Failed\n",
- __func__);
- }
+ pci_bus_add_device(dev);
pci_bus_assign_resources(dev->bus);
}
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index ba2bf55..447d393 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -235,7 +235,7 @@
*
* This adds add sysfs entries and start device drivers
*/
-int pci_bus_add_device(struct pci_dev *dev)
+void pci_bus_add_device(struct pci_dev *dev)
{
int retval;
@@ -252,8 +252,6 @@
WARN_ON(retval < 0);
dev->is_added = 1;
-
- return 0;
}
/**
@@ -266,16 +264,12 @@
{
struct pci_dev *dev;
struct pci_bus *child;
- int retval;
list_for_each_entry(dev, &bus->devices, bus_list) {
/* Skip already-added devices */
if (dev->is_added)
continue;
- retval = pci_bus_add_device(dev);
- if (retval)
- dev_err(&dev->dev, "Error adding device (%d)\n",
- retval);
+ pci_bus_add_device(dev);
}
list_for_each_entry(dev, &bus->devices, bus_list) {
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index de7a747..cb6f247 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -106,7 +106,7 @@
pci_device_add(virtfn, virtfn->bus);
mutex_unlock(&iov->dev->sriov->lock);
- rc = pci_bus_add_device(virtfn);
+ pci_bus_add_device(virtfn);
sprintf(buf, "virtfn%u", id);
rc = sysfs_create_link(&dev->dev.kobj, &virtfn->dev.kobj, buf);
if (rc)
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index c5e082f..91ef69a 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -642,8 +642,7 @@
dev = pci_scan_single_device(bus, 0);
if (dev) {
pci_bus_assign_resources(bus);
- if (pci_bus_add_device(dev))
- pr_err("Unable to hotplug wifi\n");
+ pci_bus_add_device(dev);
}
} else {
dev = pci_get_slot(bus, 0);
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 399e8c5..9b0c57c 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -633,8 +633,7 @@
dev = pci_scan_single_device(bus, 0);
if (dev) {
pci_bus_assign_resources(bus);
- if (pci_bus_add_device(dev))
- pr_err("Unable to hotplug wifi\n");
+ pci_bus_add_device(dev);
}
} else {
dev = pci_get_slot(bus, 0);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 322335a..785149a6 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -764,7 +764,7 @@
struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn);
void pci_device_add(struct pci_dev *dev, struct pci_bus *bus);
unsigned int pci_scan_child_bus(struct pci_bus *bus);
-int __must_check pci_bus_add_device(struct pci_dev *dev);
+void pci_bus_add_device(struct pci_dev *dev);
void pci_read_bridge_bases(struct pci_bus *child);
struct resource *pci_find_parent_resource(const struct pci_dev *dev,
struct resource *res);