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| author | Bob Peterson <rpeterso@redhat.com> | 2018-01-19 00:17:13 +0300 |
|---|---|---|
| committer | Bob Peterson <rpeterso@redhat.com> | 2018-01-19 00:17:13 +0300 |
| commit | 786ebd9f68cdf512f389e5f2d0015f1beb0777d8 (patch) | |
| tree | b4bae82884c2232f891aec11e58b38eb4fec5e5d /drivers/acpi/device_sysfs.c | |
| parent | 1f23bc7869fffec40b8bd9333a74a18d1de54d98 (diff) | |
| parent | 4e56a6411fbce6f859566e17298114c2434391a4 (diff) | |
| download | linux-786ebd9f68cdf512f389e5f2d0015f1beb0777d8.tar.xz | |
Merge branch 'punch-hole' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git
Diffstat (limited to 'drivers/acpi/device_sysfs.c')
| -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, int count; struct acpi_hardware_id *id; + /* Avoid unnecessarily loading modules for non present devices. */ + if (!acpi_device_is_present(acpi_dev)) + return 0; + /* * Since we skip ACPI_DT_NAMESPACE_HID from the modalias below, 0 should * be returned if ACPI_DT_NAMESPACE_HID is the only ACPI/PNP ID in the |