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Commit 2d8348b4 authored by Alexey Starikovskiy's avatar Alexey Starikovskiy Committed by Linus Torvalds
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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: default avatarAlexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: default avatarDaniel Ritz <daniel.ritz-ml@swissonline.ch>
Tested-by: default avatarLuca <kronos.it@gmail.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e70da563

drivers/acpi/ec.c

+2 −1
Original line number Diff line number Diff line
@@ -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;

	}