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| author | Jens Axboe <jens.axboe@oracle.com> | 2009-11-03 21:14:39 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-11-03 21:14:39 +0100 |
| commit | 2058297d2d045cb57138c33b87cfabcc80e65186 (patch) | |
| tree | 7ccffd0e162cbd7471f643561e79f23abb989a62 /drivers/acpi/button.c | |
| parent | 150e6c67f4bf6ab51e62defc41bd19a2eefe5709 (diff) | |
| parent | 4b27e1bb442e964903f8a3fa6bdf33a602dc0941 (diff) | |
Merge branch 'for-linus' into for-2.6.33
Conflicts:
block/cfq-iosched.c
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/acpi/button.c')
| -rw-r--r-- | drivers/acpi/button.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 9335b87c5174..0c9c6a9a002c 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -251,6 +251,9 @@ int acpi_lid_open(void) acpi_status status; unsigned long long state; + if (!lid_device) + return -ENODEV; + status = acpi_evaluate_integer(lid_device->handle, "_LID", NULL, &state); if (ACPI_FAILURE(status)) |