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| author | Len Brown <len.brown@intel.com> | 2009-10-15 00:47:13 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-10-15 00:47:13 -0400 |
| commit | d59733c1e56784a99381799021c4f9698f3e6379 (patch) | |
| tree | eee7c84624df2aedeefc9c6eef9577f4ef6d4da5 /drivers/acpi/button.c | |
| parent | 4697fd6f6a6277b33093fc807786f16cabe30b31 (diff) | |
| parent | 2c907b72db4dd4e8af6dccb6e0ac122d78627b8d (diff) | |
| download | lwn-d59733c1e56784a99381799021c4f9698f3e6379.tar.gz lwn-d59733c1e56784a99381799021c4f9698f3e6379.zip | |
Merge branch 'misc' into release
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)) |