diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-12-19 16:43:05 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-12-20 08:21:57 +0100 |
| commit | 8be0c877fb3b671dac0cf56d1f1f9e65f9a9fb81 (patch) | |
| tree | 0df144fa60de9355e259bd5b2f19a753384cbf15 | |
| parent | e9158c7e55339737847cebbfa397c668713f1a15 (diff) | |
thunderbolt: make tb_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the tb_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc: <linux-usb@vger.kernel.org>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/2023121904-utopia-broadcast-06d1@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/thunderbolt/domain.c | 2 | ||||
| -rw-r--r-- | include/linux/thunderbolt.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/thunderbolt/domain.c b/drivers/thunderbolt/domain.c index ec7b5f65804e..9fb1a64f3300 100644 --- a/drivers/thunderbolt/domain.c +++ b/drivers/thunderbolt/domain.c @@ -307,7 +307,7 @@ static const struct attribute_group *domain_attr_groups[] = { NULL, }; -struct bus_type tb_bus_type = { +const struct bus_type tb_bus_type = { .name = "thunderbolt", .match = tb_service_match, .probe = tb_service_probe, diff --git a/include/linux/thunderbolt.h b/include/linux/thunderbolt.h index 6151c210d987..2c835e5c41f6 100644 --- a/include/linux/thunderbolt.h +++ b/include/linux/thunderbolt.h @@ -86,7 +86,7 @@ struct tb { unsigned long privdata[]; }; -extern struct bus_type tb_bus_type; +extern const struct bus_type tb_bus_type; extern struct device_type tb_service_type; extern struct device_type tb_xdomain_type; |