From: Thierry Reding <treding@xxxxxxxxxx>
These new helpers simplify implementing multi-driver modules and
properly handle failure to register one driver by unregistering all
previously registered drivers.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/leds/leds-sunfire.c | 23 +++++++----------------
1 file changed, 7 insertions(+), 16 deletions(-)
diff --git a/drivers/leds/leds-sunfire.c b/drivers/leds/leds-sunfire.c
index c2553c54f2cf..7c09db8bd4e8 100644
--- a/drivers/leds/leds-sunfire.c
+++ b/drivers/leds/leds-sunfire.c
@@ -234,28 +234,19 @@ static struct platform_driver sunfire_fhc_led_driver = {
},
};
+static struct platform_driver * const drivers[] = {
+ &sunfire_clockboard_led_driver,
+ &sunfire_fhc_led_driver,
+};
+
static int __init sunfire_leds_init(void)
{
- int err = platform_driver_register(&sunfire_clockboard_led_driver);
-
- if (err) {
- pr_err("Could not register clock board LED driver\n");
- return err;
- }
-
- err = platform_driver_register(&sunfire_fhc_led_driver);
- if (err) {
- pr_err("Could not register FHC LED driver\n");
- platform_driver_unregister(&sunfire_clockboard_led_driver);
- }
-
- return err;
+ return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
}
static void __exit sunfire_leds_exit(void)
{
- platform_driver_unregister(&sunfire_clockboard_led_driver);
- platform_driver_unregister(&sunfire_fhc_led_driver);
+ platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
}
module_init(sunfire_leds_init);
--
2.5.0
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