ACPI: EC: Check if boot_ec was really found in DSDT

acpi_get_devices() returns success if it did not find any device.
We have to check for this case.

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: Daniel Ritz <daniel.ritz-ml@swissonline.ch>
Tested-by: Luca <kronos.it@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Starikovskiy 2007-08-31 09:05:26 +04:00 committed by Linus Torvalds
parent e70da56348
commit 2d8348b429
1 changed files with 2 additions and 1 deletions

View File

@ -886,7 +886,8 @@ int __init acpi_ec_ecdt_probe(void)
printk(KERN_DEBUG PREFIX "Look up EC in DSDT\n");
status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device,
boot_ec, NULL);
if (ACPI_FAILURE(status))
/* Check that acpi_get_devices actually find something */
if (ACPI_FAILURE(status) || !boot_ec->handle)
goto error;
}