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| author | Alexey Starikovskiy <astarikovskiy@suse.de> | 2007-08-31 07:05:26 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-08-31 07:20:13 +0200 |
| commit | 2d8348b429b4ae5cc47449c787881221fe43af4b (patch) | |
| tree | 3d3fd11a86f03d7d0655e5c1906198d274c8ba97 | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmo... (diff) | |
| download | linux-2d8348b429b4ae5cc47449c787881221fe43af4b.tar.xz linux-2d8348b429b4ae5cc47449c787881221fe43af4b.zip | |
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>
| -rw-r--r-- | drivers/acpi/ec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 43749c86861f..3f7935ab0cf5 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -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; } |