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alienware-wmi: cover some scenarios where memory allocations would fail 

Intel test builder caught a few instances that should test if kzalloc failed to
allocate memory as well as a scenario that platform_driver wasn't properly
initialized.

Signed-off-by: Mario Limonciello <mario_limonciello@dell.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This commit is contained in:
Mario Limonciello 2014-04-04 14:40:20 -05:00 committed by Matthew Garrett
parent a46ad0f13b
commit 562c7cec1e
1 changed files with 10 additions and 2 deletions
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12
drivers/platform/x86/alienware-wmi.c
View File

@ -368,12 +368,20 @@ static int alienware_zone_init(struct platform_device *dev)
zone_dev_attrs =
kzalloc(sizeof(struct device_attribute) * (quirks->num_zones + 1),
GFP_KERNEL);
if (!zone_dev_attrs)
return -ENOMEM;
zone_attrs =
kzalloc(sizeof(struct attribute *) * (quirks->num_zones + 2),
GFP_KERNEL);
if (!zone_attrs)
return -ENOMEM;
zone_data =
kzalloc(sizeof(struct platform_zone) * (quirks->num_zones),
GFP_KERNEL);
if (!zone_data)
return -ENOMEM;
for (i = 0; i < quirks->num_zones; i++) {
sprintf(buffer, "zone%02X", i);
@ -546,9 +554,9 @@ module_init(alienware_wmi_init);
static void __exit alienware_wmi_exit(void)
{
alienware_zone_exit(platform_device);
remove_hdmi(platform_device);
if (platform_device) {
alienware_zone_exit(platform_device);
remove_hdmi(platform_device);
platform_device_unregister(platform_device);
platform_driver_unregister(&platform_driver);
}