PCI: fix __must_check warnings
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index c5a58d1..a3b0a5e 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -339,6 +339,7 @@
{
struct pci_bus *child;
int i;
+ int retval;
/*
* Allocate a new bus, and inherit stuff from the parent..
@@ -356,8 +357,13 @@
child->class_dev.class = &pcibus_class;
sprintf(child->class_dev.class_id, "%04x:%02x", pci_domain_nr(child), busnr);
- class_device_register(&child->class_dev);
- class_device_create_file(&child->class_dev, &class_device_attr_cpuaffinity);
+ retval = class_device_register(&child->class_dev);
+ if (retval)
+ goto error_register;
+ retval = class_device_create_file(&child->class_dev,
+ &class_device_attr_cpuaffinity);
+ if (retval)
+ goto error_file_create;
/*
* Set up the primary, secondary and subordinate
@@ -375,6 +381,12 @@
bridge->subordinate = child;
return child;
+
+error_file_create:
+ class_device_unregister(&child->class_dev);
+error_register:
+ kfree(child);
+ return NULL;
}
struct pci_bus * __devinit pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr)