Do not check whether the pointer passed to ACPI add callbacks is NULL as
it is earlier dereferenced anyway in the bus-level probe callback,
acpi_device_probe().
Do not check the value of acpi_disabled in fujitsu_init(), because it is
already done by acpi_bus_register_driver(), which is the first function
called by fujitsu_init().
Signed-off-by: Michał Kępień <kernel@xxxxxxxxxx>
---
drivers/platform/x86/fujitsu-laptop.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index 54cb7ae541d4..c64d5305ff37 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -406,9 +406,6 @@ static int acpi_fujitsu_bl_add(struct acpi_device *device)
if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
return -ENODEV;
- if (!device)
- return -EINVAL;
-
priv = devm_kzalloc(&device->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
@@ -796,9 +793,6 @@ static int acpi_fujitsu_laptop_add(struct acpi_device *device)
int error;
int i;
- if (!device)
- return -EINVAL;
-
priv = devm_kzalloc(&device->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
@@ -993,9 +987,6 @@ static int __init fujitsu_init(void)
{
int ret;
- if (acpi_disabled)
- return -ENODEV;
-
ret = acpi_bus_register_driver(&acpi_fujitsu_bl_driver);
if (ret)
return ret;
--
2.13.1
--
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