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rpaphp: compiler warning cleanup
This janitorial patch removes the following annoying compile-time message: drivers/pci/hotplug/rpaphp_slot.c:57: warning: ignoring return value of sfs_create_file declared with attribute warn_unused_result It also fixes a typo, removes some misc crud. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: John Rose <johnrose@us.ibm.com> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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0c875c2864
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@ -47,21 +47,11 @@ static ssize_t location_read_file (struct hotplug_slot *php_slot, char *buf)
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return retval;
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}
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static struct hotplug_slot_attribute hotplug_slot_attr_location = {
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static struct hotplug_slot_attribute php_attr_location = {
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.attr = {.name = "phy_location", .mode = S_IFREG | S_IRUGO},
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.show = location_read_file,
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};
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static void rpaphp_sysfs_add_attr_location (struct hotplug_slot *slot)
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{
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sysfs_create_file(&slot->kobj, &hotplug_slot_attr_location.attr);
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}
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static void rpaphp_sysfs_remove_attr_location (struct hotplug_slot *slot)
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{
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sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_location.attr);
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}
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/* free up the memory used by a slot */
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static void rpaphp_release_slot(struct hotplug_slot *hotplug_slot)
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{
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@ -145,7 +135,7 @@ int rpaphp_deregister_slot(struct slot *slot)
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list_del(&slot->rpaphp_slot_list);
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/* remove "phy_location" file */
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rpaphp_sysfs_remove_attr_location(php_slot);
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sysfs_remove_file(&php_slot->kobj, &php_attr_location.attr);
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retval = pci_hp_deregister(php_slot);
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if (retval)
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@ -160,36 +150,45 @@ EXPORT_SYMBOL_GPL(rpaphp_deregister_slot);
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int rpaphp_register_slot(struct slot *slot)
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{
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struct hotplug_slot *php_slot = slot->hotplug_slot;
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int retval;
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dbg("%s registering slot:path[%s] index[%x], name[%s] pdomain[%x] type[%d]\n",
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__FUNCTION__, slot->dn->full_name, slot->index, slot->name,
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slot->power_domain, slot->type);
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/* should not try to register the same slot twice */
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if (is_registered(slot)) { /* should't be here */
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if (is_registered(slot)) {
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err("rpaphp_register_slot: slot[%s] is already registered\n", slot->name);
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rpaphp_release_slot(slot->hotplug_slot);
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return -EAGAIN;
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retval = -EAGAIN;
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goto register_fail;
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}
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retval = pci_hp_register(slot->hotplug_slot);
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retval = pci_hp_register(php_slot);
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if (retval) {
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err("pci_hp_register failed with error %d\n", retval);
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rpaphp_release_slot(slot->hotplug_slot);
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return retval;
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goto register_fail;
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}
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/* create "phy_location" file */
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retval = sysfs_create_file(&php_slot->kobj, &php_attr_location.attr);
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if (retval) {
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err("sysfs_create_file failed with error %d\n", retval);
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goto sysfs_fail;
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}
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/* create "phy_locatoin" file */
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rpaphp_sysfs_add_attr_location(slot->hotplug_slot);
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/* add slot to our internal list */
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dbg("%s adding slot[%s] to rpaphp_slot_list\n",
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__FUNCTION__, slot->name);
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list_add(&slot->rpaphp_slot_list, &rpaphp_slot_head);
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info("Slot [%s](PCI location=%s) registered\n", slot->name,
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slot->location);
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num_slots++;
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return 0;
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sysfs_fail:
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pci_hp_deregister(php_slot);
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register_fail:
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rpaphp_release_slot(php_slot);
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return retval;
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}
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int rpaphp_get_power_status(struct slot *slot, u8 * value)
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