ACPI / bus: Remove checks in acpi_get_match_data()

"Linux Kernel Mailing List" <[email protected]> Fri, 16 Feb 2018 17:08:31 +0000 (UTC)
Newsgroups gmane.linux.kernel.commits.head
Message-ID <[email protected]>
Web:        https://git.kernel.org/torvalds/c/8ff277c5bf87d750a44a656d4f113462493acbfc
Commit:     8ff277c5bf87d750a44a656d4f113462493acbfc
Parent:     4222f38ca3b7ae30ace582077677cec8b88fac36
Refname:    refs/heads/master
Author:     Andy Shevchenko <[email protected]>
AuthorDate: Fri Feb 9 17:38:34 2018 +0200
Committer:  Rafael J. Wysocki <[email protected]>
CommitDate: Mon Feb 12 10:41:10 2018 +0100

    ACPI / bus: Remove checks in acpi_get_match_data()
    
    As well as its sibling of_device_get_match_data() has no such checks,
    no need to do it in acpi_get_match_data().
    
    First of all, we are not supposed to call fwnode API like this without
    driver attached.
    
    Second, since __acpi_match_device() does check input parameter there is
    no need to duplicate it outside.
    
    And last but not least one, the API should still serve the cases when
    ACPI device is enumerated via PRP0001. In such case driver has neither
    ACPI table nor driver data there.
    
    Signed-off-by: Andy Shevchenko <[email protected]>
    Reviewed-by: Mika Westerberg <[email protected]>
    Signed-off-by: Rafael J. Wysocki <[email protected]>
---
 drivers/acpi/bus.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index f1384e107eed..ca4af098b1bf 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -834,12 +834,6 @@ void *acpi_get_match_data(const struct device *dev)
 {
 	const struct acpi_device_id *match;
 
-	if (!dev->driver)
-		return NULL;
-
-	if (!dev->driver->acpi_match_table)
-		return NULL;