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authorLinas Vepstas <linas@austin.ibm.com>2006-12-01 16:31:27 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2006-12-20 10:54:42 -0800
commitf1e79092d9a59e2b1c8eae3b0f4ef3827dda08a0 (patch)
tree5cc1514f7d46583e9812aa2f0d7e8f5548fa5d53 /drivers/pci/hotplug
parent0c875c28649eac0adb8d2e2efac2186c3089e100 (diff)
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>
Diffstat (limited to 'drivers/pci/hotplug')
-rw-r--r--drivers/pci/hotplug/rpaphp_slot.c47
1 files changed, 23 insertions, 24 deletions
diff --git a/drivers/pci/hotplug/rpaphp_slot.c b/drivers/pci/hotplug/rpaphp_slot.c
index b771196a654..3009193f005 100644
--- a/drivers/pci/hotplug/rpaphp_slot.c
+++ b/drivers/pci/hotplug/rpaphp_slot.c
@@ -47,21 +47,11 @@ static ssize_t location_read_file (struct hotplug_slot *php_slot, char *buf)
return retval;
}
-static struct hotplug_slot_attribute hotplug_slot_attr_location = {
+static struct hotplug_slot_attribute php_attr_location = {
.attr = {.name = "phy_location", .mode = S_IFREG | S_IRUGO},
.show = location_read_file,
};
-static void rpaphp_sysfs_add_attr_location (struct hotplug_slot *slot)
-{
- sysfs_create_file(&slot->kobj, &hotplug_slot_attr_location.attr);
-}
-
-static void rpaphp_sysfs_remove_attr_location (struct hotplug_slot *slot)
-{
- sysfs_remove_file(&slot->kobj, &hotplug_slot_attr_location.attr);
-}
-
/* free up the memory used by a slot */
static void rpaphp_release_slot(struct hotplug_slot *hotplug_slot)
{
@@ -145,7 +135,7 @@ int rpaphp_deregister_slot(struct slot *slot)
list_del(&slot->rpaphp_slot_list);
/* remove "phy_location" file */
- rpaphp_sysfs_remove_attr_location(php_slot);
+ sysfs_remove_file(&php_slot->kobj, &php_attr_location.attr);
retval = pci_hp_deregister(php_slot);
if (retval)
@@ -160,36 +150,45 @@ EXPORT_SYMBOL_GPL(rpaphp_deregister_slot);
int rpaphp_register_slot(struct slot *slot)
{
+ struct hotplug_slot *php_slot = slot->hotplug_slot;
int retval;
dbg("%s registering slot:path[%s] index[%x], name[%s] pdomain[%x] type[%d]\n",
__FUNCTION__, slot->dn->full_name, slot->index, slot->name,
slot->power_domain, slot->type);
+
/* should not try to register the same slot twice */
- if (is_registered(slot)) { /* should't be here */
+ if (is_registered(slot)) {
err("rpaphp_register_slot: slot[%s] is already registered\n", slot->name);
- rpaphp_release_slot(slot->hotplug_slot);
- return -EAGAIN;
+ retval = -EAGAIN;
+ goto register_fail;
}
- retval = pci_hp_register(slot->hotplug_slot);
+
+ retval = pci_hp_register(php_slot);
if (retval) {
err("pci_hp_register failed with error %d\n", retval);
- rpaphp_release_slot(slot->hotplug_slot);
- return retval;
+ goto register_fail;
}
-
- /* create "phy_locatoin" file */
- rpaphp_sysfs_add_attr_location(slot->hotplug_slot);
- /* add slot to our internal list */
- dbg("%s adding slot[%s] to rpaphp_slot_list\n",
- __FUNCTION__, slot->name);
+ /* create "phy_location" file */
+ retval = sysfs_create_file(&php_slot->kobj, &php_attr_location.attr);
+ if (retval) {
+ err("sysfs_create_file failed with error %d\n", retval);
+ goto sysfs_fail;
+ }
+ /* add slot to our internal list */
list_add(&slot->rpaphp_slot_list, &rpaphp_slot_head);
info("Slot [%s](PCI location=%s) registered\n", slot->name,
slot->location);
num_slots++;
return 0;
+
+sysfs_fail:
+ pci_hp_deregister(php_slot);
+register_fail:
+ rpaphp_release_slot(php_slot);
+ return retval;
}
int rpaphp_get_power_status(struct slot *slot, u8 * value)