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path: root/drivers/pci/hotplug/ibmphp_ebda.c
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Diffstat (limited to 'drivers/pci/hotplug/ibmphp_ebda.c')
-rw-r--r--drivers/pci/hotplug/ibmphp_ebda.c57
1 files changed, 14 insertions, 43 deletions
diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c
index aea1187c73a..ba12034c5d3 100644
--- a/drivers/pci/hotplug/ibmphp_ebda.c
+++ b/drivers/pci/hotplug/ibmphp_ebda.c
@@ -72,13 +72,7 @@ static int ebda_rio_table (void);
static struct ebda_hpc_list * __init alloc_ebda_hpc_list (void)
{
- struct ebda_hpc_list *list;
-
- list = kmalloc (sizeof (struct ebda_hpc_list), GFP_KERNEL);
- if (!list)
- return NULL;
- memset (list, 0, sizeof (*list));
- return list;
+ return kzalloc(sizeof(struct ebda_hpc_list), GFP_KERNEL);
}
static struct controller *alloc_ebda_hpc (u32 slot_count, u32 bus_count)
@@ -87,21 +81,18 @@ static struct controller *alloc_ebda_hpc (u32 slot_count, u32 bus_count)
struct ebda_hpc_slot *slots;
struct ebda_hpc_bus *buses;
- controller = kmalloc (sizeof (struct controller), GFP_KERNEL);
+ controller = kzalloc(sizeof(struct controller), GFP_KERNEL);
if (!controller)
goto error;
- memset (controller, 0, sizeof (*controller));
- slots = kmalloc (sizeof (struct ebda_hpc_slot) * slot_count, GFP_KERNEL);
+ slots = kcalloc(slot_count, sizeof(struct ebda_hpc_slot), GFP_KERNEL);
if (!slots)
goto error_contr;
- memset (slots, 0, sizeof (*slots) * slot_count);
controller->slots = slots;
- buses = kmalloc (sizeof (struct ebda_hpc_bus) * bus_count, GFP_KERNEL);
+ buses = kcalloc(bus_count, sizeof(struct ebda_hpc_bus), GFP_KERNEL);
if (!buses)
goto error_slots;
- memset (buses, 0, sizeof (*buses) * bus_count);
controller->buses = buses;
return controller;
@@ -122,24 +113,12 @@ static void free_ebda_hpc (struct controller *controller)
static struct ebda_rsrc_list * __init alloc_ebda_rsrc_list (void)
{
- struct ebda_rsrc_list *list;
-
- list = kmalloc (sizeof (struct ebda_rsrc_list), GFP_KERNEL);
- if (!list)
- return NULL;
- memset (list, 0, sizeof (*list));
- return list;
+ return kzalloc(sizeof(struct ebda_rsrc_list), GFP_KERNEL);
}
static struct ebda_pci_rsrc *alloc_ebda_pci_rsrc (void)
{
- struct ebda_pci_rsrc *resource;
-
- resource = kmalloc (sizeof (struct ebda_pci_rsrc), GFP_KERNEL);
- if (!resource)
- return NULL;
- memset (resource, 0, sizeof (*resource));
- return resource;
+ return kzalloc(sizeof(struct ebda_pci_rsrc), GFP_KERNEL);
}
static void __init print_bus_info (void)
@@ -390,10 +369,9 @@ int __init ibmphp_access_ebda (void)
debug ("now enter io table ---\n");
debug ("rio blk id: %x\n", blk_id);
- rio_table_ptr = kmalloc (sizeof (struct rio_table_hdr), GFP_KERNEL);
+ rio_table_ptr = kzalloc(sizeof(struct rio_table_hdr), GFP_KERNEL);
if (!rio_table_ptr)
return -ENOMEM;
- memset (rio_table_ptr, 0, sizeof (struct rio_table_hdr) );
rio_table_ptr->ver_num = readb (io_mem + offset);
rio_table_ptr->scal_count = readb (io_mem + offset + 1);
rio_table_ptr->riodev_count = readb (io_mem + offset + 2);
@@ -445,10 +423,9 @@ static int __init ebda_rio_table (void)
// we do concern about rio details
for (i = 0; i < rio_table_ptr->riodev_count; i++) {
- rio_detail_ptr = kmalloc (sizeof (struct rio_detail), GFP_KERNEL);
+ rio_detail_ptr = kzalloc(sizeof(struct rio_detail), GFP_KERNEL);
if (!rio_detail_ptr)
return -ENOMEM;
- memset (rio_detail_ptr, 0, sizeof (struct rio_detail));
rio_detail_ptr->rio_node_id = readb (io_mem + offset);
rio_detail_ptr->bbar = readl (io_mem + offset + 1);
rio_detail_ptr->rio_type = readb (io_mem + offset + 5);
@@ -503,10 +480,9 @@ static int __init combine_wpg_for_chassis (void)
rio_detail_ptr = list_entry (list_head_ptr, struct rio_detail, rio_detail_list);
opt_rio_ptr = search_opt_vg (rio_detail_ptr->chassis_num);
if (!opt_rio_ptr) {
- opt_rio_ptr = (struct opt_rio *) kmalloc (sizeof (struct opt_rio), GFP_KERNEL);
+ opt_rio_ptr = kzalloc(sizeof(struct opt_rio), GFP_KERNEL);
if (!opt_rio_ptr)
return -ENOMEM;
- memset (opt_rio_ptr, 0, sizeof (struct opt_rio));
opt_rio_ptr->rio_type = rio_detail_ptr->rio_type;
opt_rio_ptr->chassis_num = rio_detail_ptr->chassis_num;
opt_rio_ptr->first_slot_num = rio_detail_ptr->first_slot_num;
@@ -546,10 +522,9 @@ static int combine_wpg_for_expansion (void)
rio_detail_ptr = list_entry (list_head_ptr, struct rio_detail, rio_detail_list);
opt_rio_lo_ptr = search_opt_lo (rio_detail_ptr->chassis_num);
if (!opt_rio_lo_ptr) {
- opt_rio_lo_ptr = (struct opt_rio_lo *) kmalloc (sizeof (struct opt_rio_lo), GFP_KERNEL);
+ opt_rio_lo_ptr = kzalloc(sizeof(struct opt_rio_lo), GFP_KERNEL);
if (!opt_rio_lo_ptr)
return -ENOMEM;
- memset (opt_rio_lo_ptr, 0, sizeof (struct opt_rio_lo));
opt_rio_lo_ptr->rio_type = rio_detail_ptr->rio_type;
opt_rio_lo_ptr->chassis_num = rio_detail_ptr->chassis_num;
opt_rio_lo_ptr->first_slot_num = rio_detail_ptr->first_slot_num;
@@ -842,12 +817,11 @@ static int __init ebda_rsrc_controller (void)
bus_info_ptr2 = ibmphp_find_same_bus_num (slot_ptr->slot_bus_num);
if (!bus_info_ptr2) {
- bus_info_ptr1 = (struct bus_info *) kmalloc (sizeof (struct bus_info), GFP_KERNEL);
+ bus_info_ptr1 = kzalloc(sizeof(struct bus_info), GFP_KERNEL);
if (!bus_info_ptr1) {
rc = -ENOMEM;
goto error_no_hp_slot;
}
- memset (bus_info_ptr1, 0, sizeof (struct bus_info));
bus_info_ptr1->slot_min = slot_ptr->slot_num;
bus_info_ptr1->slot_max = slot_ptr->slot_num;
bus_info_ptr1->slot_count += 1;
@@ -946,19 +920,17 @@ static int __init ebda_rsrc_controller (void)
// register slots with hpc core as well as create linked list of ibm slot
for (index = 0; index < hpc_ptr->slot_count; index++) {
- hp_slot_ptr = kmalloc(sizeof(*hp_slot_ptr), GFP_KERNEL);
+ hp_slot_ptr = kzalloc(sizeof(*hp_slot_ptr), GFP_KERNEL);
if (!hp_slot_ptr) {
rc = -ENOMEM;
goto error_no_hp_slot;
}
- memset(hp_slot_ptr, 0, sizeof(*hp_slot_ptr));
- hp_slot_ptr->info = kmalloc (sizeof(struct hotplug_slot_info), GFP_KERNEL);
+ hp_slot_ptr->info = kzalloc(sizeof(struct hotplug_slot_info), GFP_KERNEL);
if (!hp_slot_ptr->info) {
rc = -ENOMEM;
goto error_no_hp_info;
}
- memset(hp_slot_ptr->info, 0, sizeof(struct hotplug_slot_info));
hp_slot_ptr->name = kmalloc(30, GFP_KERNEL);
if (!hp_slot_ptr->name) {
@@ -966,12 +938,11 @@ static int __init ebda_rsrc_controller (void)
goto error_no_hp_name;
}
- tmp_slot = kmalloc(sizeof(*tmp_slot), GFP_KERNEL);
+ tmp_slot = kzalloc(sizeof(*tmp_slot), GFP_KERNEL);
if (!tmp_slot) {
rc = -ENOMEM;
goto error_no_slot;
}
- memset(tmp_slot, 0, sizeof(*tmp_slot));
tmp_slot->flag = TRUE;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-15 11:16:06 +0000