From: "Burman Yan" <yan_952@hotmail.com>
To: trivial@kernel.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATH] Replace kmalloc+memset with kzalloc 1/17
Date: Sun, 12 Nov 2006 19:20:53 +0200 [thread overview]
Message-ID: <BAY20-F1803D00EDD5FC1FD65726ED8F50@phx.gbl> (raw)
[-- Attachment #1: Type: text/plain, Size: 336 bytes --]
Hi.
This is the first part of the patches I made that do trivial change of
replacing
kmalloc and memset with kzalloc
Yan Burman
_________________________________________________________________
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[-- Attachment #2: kzalloc_acpi.patch --]
[-- Type: application/octet-stream, Size: 21913 bytes --]
Replace kmalloc+memset with kzalloc
Patch 1/17
Signed-off-by: Yan Burman <yan_952@hotmail.com>
diff -rubp linux-2.6.19-rc5_orig/arch/ia64/kernel/cpufreq/acpi-cpufreq.c linux-2.6.19-rc5_kzalloc/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
--- linux-2.6.19-rc5_orig/arch/ia64/kernel/cpufreq/acpi-cpufreq.c 2006-11-09 12:16:22.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/arch/ia64/kernel/cpufreq/acpi-cpufreq.c 2006-11-11 22:44:04.000000000 +0200
@@ -279,12 +279,10 @@ acpi_cpufreq_cpu_init (
dprintk("acpi_cpufreq_cpu_init\n");
- data = kmalloc(sizeof(struct cpufreq_acpi_io), GFP_KERNEL);
+ data = kzalloc(sizeof(struct cpufreq_acpi_io), GFP_KERNEL);
if (!data)
return (-ENOMEM);
- memset(data, 0, sizeof(struct cpufreq_acpi_io));
-
acpi_io_data[cpu] = data;
result = acpi_processor_register_performance(&data->acpi_data, cpu);
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/ac.c linux-2.6.19-rc5_kzalloc/drivers/acpi/ac.c
--- linux-2.6.19-rc5_orig/drivers/acpi/ac.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/ac.c 2006-11-11 22:44:04.000000000 +0200
@@ -221,10 +221,9 @@ static int acpi_ac_add(struct acpi_devic
if (!device)
return -EINVAL;
- ac = kmalloc(sizeof(struct acpi_ac), GFP_KERNEL);
+ ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);
if (!ac)
return -ENOMEM;
- memset(ac, 0, sizeof(struct acpi_ac));
ac->device = device;
strcpy(acpi_device_name(device), ACPI_AC_DEVICE_NAME);
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/acpi_memhotplug.c linux-2.6.19-rc5_kzalloc/drivers/acpi/acpi_memhotplug.c
--- linux-2.6.19-rc5_orig/drivers/acpi/acpi_memhotplug.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/acpi_memhotplug.c 2006-11-11 22:44:04.000000000 +0200
@@ -395,10 +395,9 @@ static int acpi_memory_device_add(struct
if (!device)
return -EINVAL;
- mem_device = kmalloc(sizeof(struct acpi_memory_device), GFP_KERNEL);
+ mem_device = kzalloc(sizeof(struct acpi_memory_device), GFP_KERNEL);
if (!mem_device)
return -ENOMEM;
- memset(mem_device, 0, sizeof(struct acpi_memory_device));
INIT_LIST_HEAD(&mem_device->res_list);
mem_device->device = device;
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/asus_acpi.c linux-2.6.19-rc5_kzalloc/drivers/acpi/asus_acpi.c
--- linux-2.6.19-rc5_orig/drivers/acpi/asus_acpi.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/asus_acpi.c 2006-11-11 22:44:04.000000000 +0200
@@ -1253,10 +1253,9 @@ static int asus_hotk_add(struct acpi_dev
ASUS_ACPI_VERSION);
hotk =
- (struct asus_hotk *)kmalloc(sizeof(struct asus_hotk), GFP_KERNEL);
+ (struct asus_hotk *)kzalloc(sizeof(struct asus_hotk), GFP_KERNEL);
if (!hotk)
return -ENOMEM;
- memset(hotk, 0, sizeof(struct asus_hotk));
hotk->handle = device->handle;
strcpy(acpi_device_name(device), ACPI_HOTK_DEVICE_NAME);
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/battery.c linux-2.6.19-rc5_kzalloc/drivers/acpi/battery.c
--- linux-2.6.19-rc5_orig/drivers/acpi/battery.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/battery.c 2006-11-11 22:44:04.000000000 +0200
@@ -160,12 +160,11 @@ acpi_battery_get_info(struct acpi_batter
goto end;
}
- data.pointer = kmalloc(data.length, GFP_KERNEL);
+ data.pointer = kzalloc(data.length, GFP_KERNEL);
if (!data.pointer) {
result = -ENOMEM;
goto end;
}
- memset(data.pointer, 0, data.length);
status = acpi_extract_package(package, &format, &data);
if (ACPI_FAILURE(status)) {
@@ -220,12 +219,11 @@ acpi_battery_get_status(struct acpi_batt
goto end;
}
- data.pointer = kmalloc(data.length, GFP_KERNEL);
+ data.pointer = kzalloc(data.length, GFP_KERNEL);
if (!data.pointer) {
result = -ENOMEM;
goto end;
}
- memset(data.pointer, 0, data.length);
status = acpi_extract_package(package, &format, &data);
if (ACPI_FAILURE(status)) {
@@ -694,10 +692,9 @@ static int acpi_battery_add(struct acpi_
if (!device)
return -EINVAL;
- battery = kmalloc(sizeof(struct acpi_battery), GFP_KERNEL);
+ battery = kzalloc(sizeof(struct acpi_battery), GFP_KERNEL);
if (!battery)
return -ENOMEM;
- memset(battery, 0, sizeof(struct acpi_battery));
battery->device = device;
strcpy(acpi_device_name(device), ACPI_BATTERY_DEVICE_NAME);
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/button.c linux-2.6.19-rc5_kzalloc/drivers/acpi/button.c
--- linux-2.6.19-rc5_orig/drivers/acpi/button.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/button.c 2006-11-11 22:44:04.000000000 +0200
@@ -296,10 +296,9 @@ static int acpi_button_add(struct acpi_d
if (!device)
return -EINVAL;
- button = kmalloc(sizeof(struct acpi_button), GFP_KERNEL);
+ button = kzalloc(sizeof(struct acpi_button), GFP_KERNEL);
if (!button)
return -ENOMEM;
- memset(button, 0, sizeof(struct acpi_button));
button->device = device;
acpi_driver_data(device) = button;
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/container.c linux-2.6.19-rc5_kzalloc/drivers/acpi/container.c
--- linux-2.6.19-rc5_orig/drivers/acpi/container.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/container.c 2006-11-11 22:44:04.000000000 +0200
@@ -96,11 +96,10 @@ static int acpi_container_add(struct acp
return -EINVAL;
}
- container = kmalloc(sizeof(struct acpi_container), GFP_KERNEL);
+ container = kzalloc(sizeof(struct acpi_container), GFP_KERNEL);
if (!container)
return -ENOMEM;
- memset(container, 0, sizeof(struct acpi_container));
container->handle = device->handle;
strcpy(acpi_device_name(device), ACPI_CONTAINER_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_CONTAINER_CLASS);
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/ec.c linux-2.6.19-rc5_kzalloc/drivers/acpi/ec.c
--- linux-2.6.19-rc5_orig/drivers/acpi/ec.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/ec.c 2006-11-11 22:44:04.000000000 +0200
@@ -652,10 +652,9 @@ static int acpi_ec_add(struct acpi_devic
if (!device)
return -EINVAL;
- ec = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL);
+ ec = kzalloc(sizeof(struct acpi_ec), GFP_KERNEL);
if (!ec)
return -ENOMEM;
- memset(ec, 0, sizeof(struct acpi_ec));
ec->handle = device->handle;
ec->uid = -1;
@@ -884,12 +883,11 @@ static int __init acpi_ec_fake_ecdt(void
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Try to make an fake ECDT"));
- ec_ecdt = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL);
+ ec_ecdt = kzalloc(sizeof(struct acpi_ec), GFP_KERNEL);
if (!ec_ecdt) {
ret = -ENOMEM;
goto error;
}
- memset(ec_ecdt, 0, sizeof(struct acpi_ec));
status = acpi_get_devices(ACPI_EC_HID,
acpi_fake_ecdt_callback, NULL, NULL);
@@ -921,10 +919,9 @@ static int __init acpi_ec_get_real_ecdt(
/*
* Generate a temporary ec context to use until the namespace is scanned
*/
- ec_ecdt = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL);
+ ec_ecdt = kzalloc(sizeof(struct acpi_ec), GFP_KERNEL);
if (!ec_ecdt)
return -ENOMEM;
- memset(ec_ecdt, 0, sizeof(struct acpi_ec));
init_MUTEX(&ec_ecdt->sem);
if (acpi_ec_mode == EC_INTR) {
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/fan.c linux-2.6.19-rc5_kzalloc/drivers/acpi/fan.c
--- linux-2.6.19-rc5_orig/drivers/acpi/fan.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/fan.c 2006-11-11 22:44:04.000000000 +0200
@@ -186,10 +186,9 @@ static int acpi_fan_add(struct acpi_devi
if (!device)
return -EINVAL;
- fan = kmalloc(sizeof(struct acpi_fan), GFP_KERNEL);
+ fan = kzalloc(sizeof(struct acpi_fan), GFP_KERNEL);
if (!fan)
return -ENOMEM;
- memset(fan, 0, sizeof(struct acpi_fan));
fan->device = device;
strcpy(acpi_device_name(device), "Fan");
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/i2c_ec.c linux-2.6.19-rc5_kzalloc/drivers/acpi/i2c_ec.c
--- linux-2.6.19-rc5_orig/drivers/acpi/i2c_ec.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/i2c_ec.c 2006-11-11 22:44:04.000000000 +0200
@@ -309,18 +309,16 @@ static int acpi_ec_hc_add(struct acpi_de
return -EINVAL;
}
- ec_hc = kmalloc(sizeof(struct acpi_ec_hc), GFP_KERNEL);
+ ec_hc = kzalloc(sizeof(struct acpi_ec_hc), GFP_KERNEL);
if (!ec_hc) {
return -ENOMEM;
}
- memset(ec_hc, 0, sizeof(struct acpi_ec_hc));
- smbus = kmalloc(sizeof(struct acpi_ec_smbus), GFP_KERNEL);
+ smbus = kzalloc(sizeof(struct acpi_ec_smbus), GFP_KERNEL);
if (!smbus) {
kfree(ec_hc);
return -ENOMEM;
}
- memset(smbus, 0, sizeof(struct acpi_ec_smbus));
ec_hc->handle = device->handle;
strcpy(acpi_device_name(device), ACPI_EC_HC_DEVICE_NAME);
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/ibm_acpi.c linux-2.6.19-rc5_kzalloc/drivers/acpi/ibm_acpi.c
--- linux-2.6.19-rc5_orig/drivers/acpi/ibm_acpi.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/ibm_acpi.c 2006-11-11 22:44:04.000000000 +0200
@@ -1818,13 +1818,12 @@ static int __init register_driver(struct
{
int ret;
- ibm->driver = kmalloc(sizeof(struct acpi_driver), GFP_KERNEL);
+ ibm->driver = kzalloc(sizeof(struct acpi_driver), GFP_KERNEL);
if (!ibm->driver) {
printk(IBM_ERR "kmalloc(ibm->driver) failed\n");
return -1;
}
- memset(ibm->driver, 0, sizeof(struct acpi_driver));
sprintf(ibm->driver->name, "%s/%s", IBM_NAME, ibm->name);
ibm->driver->ids = ibm->hid;
ibm->driver->ops.add = &ibm_device_add;
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/pci_bind.c linux-2.6.19-rc5_kzalloc/drivers/acpi/pci_bind.c
--- linux-2.6.19-rc5_orig/drivers/acpi/pci_bind.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/pci_bind.c 2006-11-11 22:44:04.000000000 +0200
@@ -122,19 +122,17 @@ int acpi_pci_bind(struct acpi_device *de
if (!device || !device->parent)
return -EINVAL;
- pathname = kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
+ pathname = kzalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
if (!pathname)
return -ENOMEM;
- memset(pathname, 0, ACPI_PATHNAME_MAX);
buffer.length = ACPI_PATHNAME_MAX;
buffer.pointer = pathname;
- data = kmalloc(sizeof(struct acpi_pci_data), GFP_KERNEL);
+ data = kzalloc(sizeof(struct acpi_pci_data), GFP_KERNEL);
if (!data) {
kfree(pathname);
return -ENOMEM;
}
- memset(data, 0, sizeof(struct acpi_pci_data));
acpi_get_name(device->handle, ACPI_FULL_PATHNAME, &buffer);
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Binding PCI device [%s]...\n",
@@ -281,10 +279,9 @@ int acpi_pci_unbind(struct acpi_device *
if (!device || !device->parent)
return -EINVAL;
- pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
+ pathname = (char *)kzalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
if (!pathname)
return -ENOMEM;
- memset(pathname, 0, ACPI_PATHNAME_MAX);
buffer.length = ACPI_PATHNAME_MAX;
buffer.pointer = pathname;
@@ -332,10 +329,9 @@ acpi_pci_bind_root(struct acpi_device *d
struct acpi_buffer buffer = { 0, NULL };
- pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
+ pathname = (char *)kzalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
if (!pathname)
return -ENOMEM;
- memset(pathname, 0, ACPI_PATHNAME_MAX);
buffer.length = ACPI_PATHNAME_MAX;
buffer.pointer = pathname;
@@ -345,12 +341,11 @@ acpi_pci_bind_root(struct acpi_device *d
return -EINVAL;
}
- data = kmalloc(sizeof(struct acpi_pci_data), GFP_KERNEL);
+ data = kzalloc(sizeof(struct acpi_pci_data), GFP_KERNEL);
if (!data) {
kfree(pathname);
return -ENOMEM;
}
- memset(data, 0, sizeof(struct acpi_pci_data));
data->id = *id;
data->bus = bus;
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/pci_irq.c linux-2.6.19-rc5_kzalloc/drivers/acpi/pci_irq.c
--- linux-2.6.19-rc5_orig/drivers/acpi/pci_irq.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/pci_irq.c 2006-11-11 22:44:04.000000000 +0200
@@ -89,10 +89,9 @@ acpi_pci_irq_add_entry(acpi_handle handl
if (!prt)
return -EINVAL;
- entry = kmalloc(sizeof(struct acpi_prt_entry), GFP_KERNEL);
+ entry = kzalloc(sizeof(struct acpi_prt_entry), GFP_KERNEL);
if (!entry)
return -ENOMEM;
- memset(entry, 0, sizeof(struct acpi_prt_entry));
entry->id.segment = segment;
entry->id.bus = bus;
@@ -161,10 +160,9 @@ int acpi_pci_irq_add_prt(acpi_handle han
static int first_time = 1;
- pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
+ pathname = (char *)kzalloc(ACPI_PATHNAME_MAX, GFP_KERNEL);
if (!pathname)
return -ENOMEM;
- memset(pathname, 0, ACPI_PATHNAME_MAX);
if (first_time) {
acpi_prt.count = 0;
@@ -198,11 +196,10 @@ int acpi_pci_irq_add_prt(acpi_handle han
return -ENODEV;
}
- prt = kmalloc(buffer.length, GFP_KERNEL);
+ prt = kzalloc(buffer.length, GFP_KERNEL);
if (!prt) {
return -ENOMEM;
}
- memset(prt, 0, buffer.length);
buffer.pointer = prt;
status = acpi_get_irq_routing_table(handle, &buffer);
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/pci_link.c linux-2.6.19-rc5_kzalloc/drivers/acpi/pci_link.c
--- linux-2.6.19-rc5_orig/drivers/acpi/pci_link.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/pci_link.c 2006-11-11 22:44:04.000000000 +0200
@@ -307,11 +307,10 @@ static int acpi_pci_link_set(struct acpi
if (!link || !irq)
return -EINVAL;
- resource = kmalloc(sizeof(*resource) + 1, irqs_disabled() ? GFP_ATOMIC: GFP_KERNEL);
+ resource = kzalloc(sizeof(*resource) + 1, irqs_disabled() ? GFP_ATOMIC: GFP_KERNEL);
if (!resource)
return -ENOMEM;
- memset(resource, 0, sizeof(*resource) + 1);
buffer.length = sizeof(*resource) + 1;
buffer.pointer = resource;
@@ -718,10 +717,9 @@ static int acpi_pci_link_add(struct acpi
if (!device)
return -EINVAL;
- link = kmalloc(sizeof(struct acpi_pci_link), GFP_KERNEL);
+ link = kzalloc(sizeof(struct acpi_pci_link), GFP_KERNEL);
if (!link)
return -ENOMEM;
- memset(link, 0, sizeof(struct acpi_pci_link));
link->device = device;
strcpy(acpi_device_name(device), ACPI_PCI_LINK_DEVICE_NAME);
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/pci_root.c linux-2.6.19-rc5_kzalloc/drivers/acpi/pci_root.c
--- linux-2.6.19-rc5_orig/drivers/acpi/pci_root.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/pci_root.c 2006-11-11 22:44:04.000000000 +0200
@@ -164,10 +164,9 @@ static int acpi_pci_root_add(struct acpi
if (!device)
return -EINVAL;
- root = kmalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
+ root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
if (!root)
return -ENOMEM;
- memset(root, 0, sizeof(struct acpi_pci_root));
INIT_LIST_HEAD(&root->node);
root->device = device;
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/power.c linux-2.6.19-rc5_kzalloc/drivers/acpi/power.c
--- linux-2.6.19-rc5_orig/drivers/acpi/power.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/power.c 2006-11-11 22:44:04.000000000 +0200
@@ -532,10 +532,9 @@ static int acpi_power_add(struct acpi_de
if (!device)
return -EINVAL;
- resource = kmalloc(sizeof(struct acpi_power_resource), GFP_KERNEL);
+ resource = kzalloc(sizeof(struct acpi_power_resource), GFP_KERNEL);
if (!resource)
return -ENOMEM;
- memset(resource, 0, sizeof(struct acpi_power_resource));
resource->device = device;
strcpy(resource->name, device->pnp.bus_id);
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/processor_core.c linux-2.6.19-rc5_kzalloc/drivers/acpi/processor_core.c
--- linux-2.6.19-rc5_orig/drivers/acpi/processor_core.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/processor_core.c 2006-11-11 22:44:04.000000000 +0200
@@ -615,10 +615,9 @@ static int acpi_processor_add(struct acp
if (!device)
return -EINVAL;
- pr = kmalloc(sizeof(struct acpi_processor), GFP_KERNEL);
+ pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL);
if (!pr)
return -ENOMEM;
- memset(pr, 0, sizeof(struct acpi_processor));
pr->handle = device->handle;
strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME);
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/sbs.c linux-2.6.19-rc5_kzalloc/drivers/acpi/sbs.c
--- linux-2.6.19-rc5_orig/drivers/acpi/sbs.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/sbs.c 2006-11-11 22:44:04.000000000 +0200
@@ -1576,12 +1576,11 @@ static int acpi_sbs_add(struct acpi_devi
int id, cnt;
acpi_status status = AE_OK;
- sbs = kmalloc(sizeof(struct acpi_sbs), GFP_KERNEL);
+ sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL);
if (!sbs) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "kmalloc() failed\n"));
return -ENOMEM;
}
- memset(sbs, 0, sizeof(struct acpi_sbs));
cnt = 0;
while (cnt < 10) {
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/scan.c linux-2.6.19-rc5_kzalloc/drivers/acpi/scan.c
--- linux-2.6.19-rc5_orig/drivers/acpi/scan.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/scan.c 2006-11-11 22:44:04.000000000 +0200
@@ -984,12 +984,11 @@ acpi_add_single_object(struct acpi_devic
if (!child)
return -EINVAL;
- device = kmalloc(sizeof(struct acpi_device), GFP_KERNEL);
+ device = kzalloc(sizeof(struct acpi_device), GFP_KERNEL);
if (!device) {
printk(KERN_ERR PREFIX "Memory allocation error\n");
return -ENOMEM;
}
- memset(device, 0, sizeof(struct acpi_device));
device->handle = handle;
device->parent = parent;
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/thermal.c linux-2.6.19-rc5_kzalloc/drivers/acpi/thermal.c
--- linux-2.6.19-rc5_orig/drivers/acpi/thermal.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/thermal.c 2006-11-11 22:44:04.000000000 +0200
@@ -902,12 +902,10 @@ acpi_thermal_write_trip_points(struct fi
int i = 0;
- limit_string = kmalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL);
+ limit_string = kzalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL);
if (!limit_string)
return -ENOMEM;
- memset(limit_string, 0, ACPI_THERMAL_MAX_LIMIT_STR_LEN);
-
active = kmalloc(ACPI_THERMAL_MAX_ACTIVE * sizeof(int), GFP_KERNEL);
if (!active) {
kfree(limit_string);
@@ -1271,10 +1269,9 @@ static int acpi_thermal_add(struct acpi_
if (!device)
return -EINVAL;
- tz = kmalloc(sizeof(struct acpi_thermal), GFP_KERNEL);
+ tz = kzalloc(sizeof(struct acpi_thermal), GFP_KERNEL);
if (!tz)
return -ENOMEM;
- memset(tz, 0, sizeof(struct acpi_thermal));
tz->device = device;
strcpy(tz->name, device->pnp.bus_id);
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/utils.c linux-2.6.19-rc5_kzalloc/drivers/acpi/utils.c
--- linux-2.6.19-rc5_orig/drivers/acpi/utils.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/utils.c 2006-11-11 22:44:04.000000000 +0200
@@ -262,11 +262,10 @@ acpi_evaluate_integer(acpi_handle handle
if (!data)
return AE_BAD_PARAMETER;
- element = kmalloc(sizeof(union acpi_object), irqs_disabled() ? GFP_ATOMIC: GFP_KERNEL);
+ element = kzalloc(sizeof(union acpi_object), irqs_disabled() ? GFP_ATOMIC: GFP_KERNEL);
if (!element)
return AE_NO_MEMORY;
- memset(element, 0, sizeof(union acpi_object));
buffer.length = sizeof(union acpi_object);
buffer.pointer = element;
status = acpi_evaluate_object(handle, pathname, arguments, &buffer);
@@ -321,12 +320,11 @@ acpi_evaluate_string(acpi_handle handle,
return AE_BAD_DATA;
}
- *data = kmalloc(element->string.length + 1, GFP_KERNEL);
+ *data = kzalloc(element->string.length + 1, GFP_KERNEL);
if (!data) {
printk(KERN_ERR PREFIX "Memory allocation\n");
return -ENOMEM;
}
- memset(*data, 0, element->string.length + 1);
memcpy(*data, element->string.pointer, element->string.length);
diff -rubp linux-2.6.19-rc5_orig/drivers/acpi/video.c linux-2.6.19-rc5_kzalloc/drivers/acpi/video.c
--- linux-2.6.19-rc5_orig/drivers/acpi/video.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/acpi/video.c 2006-11-11 22:44:04.000000000 +0200
@@ -532,11 +532,10 @@ static void acpi_video_device_find_cap(s
int count = 0;
union acpi_object *o;
- br = kmalloc(sizeof(*br), GFP_KERNEL);
+ br = kzalloc(sizeof(*br), GFP_KERNEL);
if (!br) {
printk(KERN_ERR "can't allocate memory\n");
} else {
- memset(br, 0, sizeof(*br));
br->levels = kmalloc(obj->package.count *
sizeof *(br->levels), GFP_KERNEL);
if (!br->levels)
@@ -1263,12 +1262,10 @@ acpi_video_bus_get_one_device(struct acp
acpi_evaluate_integer(device->handle, "_ADR", NULL, &device_id);
if (ACPI_SUCCESS(status)) {
- data = kmalloc(sizeof(struct acpi_video_device), GFP_KERNEL);
+ data = kzalloc(sizeof(struct acpi_video_device), GFP_KERNEL);
if (!data)
return -ENOMEM;
- memset(data, 0, sizeof(struct acpi_video_device));
-
strcpy(acpi_device_name(device), ACPI_VIDEO_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_VIDEO_CLASS);
acpi_driver_data(device) = data;
@@ -1696,10 +1693,9 @@ static int acpi_video_bus_add(struct acp
if (!device)
return -EINVAL;
- video = kmalloc(sizeof(struct acpi_video_bus), GFP_KERNEL);
+ video = kzalloc(sizeof(struct acpi_video_bus), GFP_KERNEL);
if (!video)
return -ENOMEM;
- memset(video, 0, sizeof(struct acpi_video_bus));
video->device = device;
strcpy(acpi_device_name(device), ACPI_VIDEO_BUS_NAME);
diff -rubp linux-2.6.19-rc5_orig/drivers/pci/hotplug/acpiphp_ibm.c linux-2.6.19-rc5_kzalloc/drivers/pci/hotplug/acpiphp_ibm.c
--- linux-2.6.19-rc5_orig/drivers/pci/hotplug/acpiphp_ibm.c 2006-11-09 12:16:21.000000000 +0200
+++ linux-2.6.19-rc5_kzalloc/drivers/pci/hotplug/acpiphp_ibm.c 2006-11-11 22:44:04.000000000 +0200
@@ -319,13 +319,12 @@ static int ibm_get_table_from_acpi(char
if (bufp == NULL)
goto read_table_done;
- lbuf = kmalloc(size, GFP_KERNEL);
+ lbuf = kzalloc(size, GFP_KERNEL);
dbg("%s: element count: %i, ASL table size: %i, &table = 0x%p\n",
__FUNCTION__, package->package.count, size, lbuf);
if (lbuf) {
*bufp = lbuf;
- memset(lbuf, 0, size);
} else {
size = -ENOMEM;
goto read_table_done;
next reply other threads:[~2006-11-12 17:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-12 17:20 Burman Yan [this message]
2006-11-12 17:31 ` Russell King
2006-11-12 18:25 ` Randy Dunlap
2006-11-12 21:40 ` Jan Engelhardt
2006-11-12 19:36 ` Burman Yan
2006-11-13 12:51 ` Paulo Marques
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