From kaneshige.kenji@jp.fujitsu.com Wed Jan 25 17:03:18 2006 Message-ID: <43D81F6F.2030606@jp.fujitsu.com> Date: Thu, 26 Jan 2006 10:01:35 +0900 From: Kenji Kaneshige To: pcihpd-discuss@lists.sourceforge.net, Greg KH Cc: Kenji Kaneshige Subject: [PATCH 7/11] pcihp_skeleton.c cleanup This patch cleans up pcihp_skelton.c as follows. o Move slot name area into struct slot. o Replace kmalloc with kzalloc and clean up the arg of sizeof() o Fix the wrong use of get_*_status() functions. Signed-off-by: Kenji Kaneshige Signed-off-by: Greg Kroah-Hartman --- drivers/pci/hotplug/pcihp_skeleton.c | 33 +++++++++++---------------------- 1 file changed, 11 insertions(+), 22 deletions(-) --- gregkh-2.6.orig/drivers/pci/hotplug/pcihp_skeleton.c +++ gregkh-2.6/drivers/pci/hotplug/pcihp_skeleton.c @@ -37,10 +37,12 @@ #include #include "pci_hotplug.h" +#define SLOT_NAME_SIZE 10 struct slot { u8 number; struct hotplug_slot *hotplug_slot; struct list_head slot_list; + char name[SLOT_NAME_SIZE]; }; static LIST_HEAD(slot_list); @@ -233,12 +235,10 @@ static void release_slot(struct hotplug_ dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); kfree(slot->hotplug_slot->info); - kfree(slot->hotplug_slot->name); kfree(slot->hotplug_slot); kfree(slot); } -#define SLOT_NAME_SIZE 10 static void make_slot_name(struct slot *slot) { /* @@ -257,7 +257,6 @@ static int __init init_slots(void) struct slot *slot; struct hotplug_slot *hotplug_slot; struct hotplug_slot_info *info; - char *name; int retval = -ENOMEM; int i; @@ -266,31 +265,23 @@ static int __init init_slots(void) * with the pci_hotplug subsystem. */ for (i = 0; i < num_slots; ++i) { - slot = kmalloc(sizeof(struct slot), GFP_KERNEL); + slot = kzalloc(sizeof(*slot), GFP_KERNEL); if (!slot) goto error; - memset(slot, 0, sizeof(struct slot)); - hotplug_slot = kmalloc(sizeof(struct hotplug_slot), - GFP_KERNEL); + hotplug_slot = kzalloc(sizeof(*hotplug_slot), GFP_KERNEL); if (!hotplug_slot) goto error_slot; - memset(hotplug_slot, 0, sizeof (struct hotplug_slot)); slot->hotplug_slot = hotplug_slot; - info = kmalloc(sizeof(struct hotplug_slot_info), GFP_KERNEL); + info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) goto error_hpslot; - memset(info, 0, sizeof (struct hotplug_slot_info)); hotplug_slot->info = info; - name = kmalloc(SLOT_NAME_SIZE, GFP_KERNEL); - if (!name) - goto error_info; - hotplug_slot->name = name; - slot->number = i; + hotplug_slot->name = slot->name; hotplug_slot->private = slot; hotplug_slot->release = &release_slot; make_slot_name(slot); @@ -300,16 +291,16 @@ static int __init init_slots(void) * Initialize the slot info structure with some known * good values. */ - info->power_status = get_power_status(slot); - info->attention_status = get_attention_status(slot); - info->latch_status = get_latch_status(slot); - info->adapter_status = get_adapter_status(slot); + get_power_status(hotplug_slot, &info->power_status); + get_attention_status(hotplug_slot, &info->attention_status); + get_latch_status(hotplug_slot, &info->latch_status); + get_adapter_status(hotplug_slot, &info->adapter_status); dbg("registering slot %d\n", i); retval = pci_hp_register(slot->hotplug_slot); if (retval) { err("pci_hp_register failed with error %d\n", retval); - goto error_name; + goto error_info; } /* add slot to our internal list */ @@ -317,8 +308,6 @@ static int __init init_slots(void) } return 0; -error_name: - kfree(name); error_info: kfree(info); error_hpslot: