From: Jesper Juhl Date: Sun, 11 Dec 2005 05:42:38 +0000 (+0100) Subject: [PATCH] PCI: Reduce nr of ptr derefs in drivers/pci/hotplug/rpaphp_pci.c X-Git-Tag: v2.6.16-rc1~654^2~12 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=f5c99dfc11dce8f26c1ceedb6595fa0eac335ea3;p=linux-2.6-omap-h63xx.git [PATCH] PCI: Reduce nr of ptr derefs in drivers/pci/hotplug/rpaphp_pci.c Here's a small patch to reduce the nr. of pointer dereferences in drivers/pci/hotplug/rpaphp_pci.c Benefits: - micro speed optimization due to fewer pointer derefs - generated code should be slightly smaller - better readability note: due to lack of both hardware and cross-compile tools this patch is, unfortunately, completely untested. Signed-off-by: Jesper Juhl Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/pci/hotplug/rpaphp_pci.c b/drivers/pci/hotplug/rpaphp_pci.c index 6f21c73be3c..396b54b0c84 100644 --- a/drivers/pci/hotplug/rpaphp_pci.c +++ b/drivers/pci/hotplug/rpaphp_pci.c @@ -336,13 +336,14 @@ EXPORT_SYMBOL_GPL(rpaphp_unconfig_pci_adapter); static int setup_pci_hotplug_slot_info(struct slot *slot) { + struct hotplug_slot_info *hotplug_slot_info = slot->hotplug_slot->info; + dbg("%s Initilize the PCI slot's hotplug->info structure ...\n", __FUNCTION__); - rpaphp_get_power_status(slot, &slot->hotplug_slot->info->power_status); + rpaphp_get_power_status(slot, &hotplug_slot_info->power_status); rpaphp_get_pci_adapter_status(slot, 1, - &slot->hotplug_slot->info-> - adapter_status); - if (slot->hotplug_slot->info->adapter_status == NOT_VALID) { + &hotplug_slot_info->adapter_status); + if (hotplug_slot_info->adapter_status == NOT_VALID) { err("%s: NOT_VALID: skip dn->full_name=%s\n", __FUNCTION__, slot->dn->full_name); return -EINVAL;