[libata] fix smatch warning for zpodd_wake_dev

Fix a smatch warning caused by an useless pointer check.
The context parameter (aka. ata_dev) will never be NULL until we remove
the acpi notification handler, so it is pointless to check it for NULL.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Aaron Lu 2013-01-28 13:08:02 +08:00 committed by Jeff Garzik
parent 84a9a8cd9d
commit 53637e0760

View File

@ -246,8 +246,7 @@ static void zpodd_wake_dev(acpi_handle handle, u32 event, void *context)
struct zpodd *zpodd = ata_dev->zpodd;
struct device *dev = &ata_dev->sdev->sdev_gendev;
if (event == ACPI_NOTIFY_DEVICE_WAKE && ata_dev &&
pm_runtime_suspended(dev)) {
if (event == ACPI_NOTIFY_DEVICE_WAKE && pm_runtime_suspended(dev)) {
zpodd->from_notify = true;
pm_runtime_resume(dev);
}