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/crypto/n2_core.c | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
index 5450880abb7b..739a786b9f08 100644
--- a/drivers/crypto/n2_core.c
+++ b/drivers/crypto/n2_core.c
@@ -2243,22 +2243,19 @@ static struct platform_driver n2_mau_driver = {
.remove = n2_mau_remove,
};
+static struct platform_driver * const drivers[] = {
+ &n2_crypto_driver,
+ &n2_mau_driver,
+};
+
static int __init n2_init(void)
{
- int err = platform_driver_register(&n2_crypto_driver);
-
- if (!err) {
- err = platform_driver_register(&n2_mau_driver);
- if (err)
- platform_driver_unregister(&n2_crypto_driver);
- }
- return err;
+ return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
}
static void __exit n2_exit(void)
{
- platform_driver_unregister(&n2_mau_driver);
- platform_driver_unregister(&n2_crypto_driver);
+ platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
}
module_init(n2_init);
--
2.5.0
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