diff options
| -rw-r--r-- | drivers/acpi/device_sysfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c index 24418932612e..a041689e5701 100644 --- a/drivers/acpi/device_sysfs.c +++ b/drivers/acpi/device_sysfs.c | |||
| @@ -146,6 +146,10 @@ static int create_pnp_modalias(struct acpi_device *acpi_dev, char *modalias, | |||
| 146 | int count; | 146 | int count; |
| 147 | struct acpi_hardware_id *id; | 147 | struct acpi_hardware_id *id; |
| 148 | 148 | ||
| 149 | /* Avoid unnecessarily loading modules for non present devices. */ | ||
| 150 | if (!acpi_device_is_present(acpi_dev)) | ||
| 151 | return 0; | ||
| 152 | |||
| 149 | /* | 153 | /* |
| 150 | * Since we skip ACPI_DT_NAMESPACE_HID from the modalias below, 0 should | 154 | * Since we skip ACPI_DT_NAMESPACE_HID from the modalias below, 0 should |
| 151 | * be returned if ACPI_DT_NAMESPACE_HID is the only ACPI/PNP ID in the | 155 | * be returned if ACPI_DT_NAMESPACE_HID is the only ACPI/PNP ID in the |
