These places capture return values to avoid "must_check" warnings,
but we didn't *do* anything with the return values, which causes
"set but not used" warnings. We might as well do something instead
of just trying to evade the "must_check" warnings.
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
---
drivers/pci/bus.c | 3 +++
drivers/pci/setup-bus.c | 2 ++
drivers/pci/slot.c | 7 +++++--
3 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index e54ddb5..91b3c55 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -204,6 +204,9 @@ void pci_bus_add_devices(const struct pci_bus *bus)
if (dev->is_added)
continue;
retval = pci_bus_add_device(dev);
+ if (retval)
+ dev_err(&dev->dev, "Error adding device (%d)\n",
+ retval);
}
list_for_each_entry(dev, &bus->devices, bus_list) {
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 502a75e..16abaaa 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -1545,6 +1545,8 @@ again:
enable_all:
retval = pci_reenable_device(bridge);
+ if (retval)
+ dev_err(&bridge->dev, "Error reenabling bridge (%d)\n", retval);
pci_set_master(bridge);
pci_enable_bridges(parent);
}
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index ac6412f..c1e9284 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -377,14 +377,17 @@ void pci_hp_create_module_link(struct pci_slot *pci_slot)
{
struct hotplug_slot *slot = pci_slot->hotplug;
struct kobject *kobj = NULL;
- int no_warn;
+ int ret;
if (!slot || !slot->ops)
return;
kobj = kset_find_obj(module_kset, slot->ops->mod_name);
if (!kobj)
return;
- no_warn = sysfs_create_link(&pci_slot->kobj, kobj, "module");
+ ret = sysfs_create_link(&pci_slot->kobj, kobj, "module");
+ if (ret)
+ dev_err(&pci_slot->bus->dev, "Error creating sysfs link (%d)\n",
+ ret);
kobject_put(kobj);
}
EXPORT_SYMBOL_GPL(pci_hp_create_module_link);
--
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