acpi_dev_get_resources() does perform the NULL pointer check against
ACPI companion device which is given as function parameter. Thus,
there is no need to duplicate this check in the caller.
Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 24 ++++++++------------
1 file changed, 10 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
index 574dcfec9577..6f9e08cda964 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
+++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
@@ -426,23 +426,19 @@ static void i2c_acpi_find_adapter(struct intel_dsi
*intel_dsi,
{
struct drm_device *drm_dev = intel_dsi->base.base.dev;
struct device *dev = &drm_dev->pdev->dev;
- struct acpi_device *acpi_dev;
+ struct acpi_device *acpi_dev = ACPI_COMPANION(dev);
struct list_head resource_list;
struct i2c_adapter_lookup lookup;
- acpi_dev = ACPI_COMPANION(dev);
- if (acpi_dev) {
- memset(&lookup, 0, sizeof(lookup));
- lookup.slave_addr = slave_addr;
- lookup.intel_dsi = intel_dsi;
- lookup.dev_handle = acpi_device_handle(acpi_dev);
-
- INIT_LIST_HEAD(&resource_list);
- acpi_dev_get_resources(acpi_dev, &resource_list,
- i2c_adapter_lookup,
- &lookup);
- acpi_dev_free_resource_list(&resource_list);
- }
+ memset(&lookup, 0, sizeof(lookup));
+ lookup.slave_addr = slave_addr;
+ lookup.intel_dsi = intel_dsi;
+ lookup.dev_handle = acpi_device_handle(acpi_dev);
+
+ INIT_LIST_HEAD(&resource_list);
+ acpi_dev_get_resources(acpi_dev, &resource_list,
+ i2c_adapter_lookup, &lookup);
+ acpi_dev_free_resource_list(&resource_list);
}
#else
static inline void i2c_acpi_find_adapter(struct intel_dsi *intel_dsi,
--
2.26.2
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