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authorThierry Reding <treding@nvidia.com>2015-12-02 17:16:36 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2015-12-04 22:29:57 +0800
commita103a75ad978592cf71b6d42c05849aacc76c2da (patch)
tree3f54c1e99d17120f00a72564224e980ba5391c65 /drivers/crypto/n2_core.c
parent5e75ae1b3cef6455b131835621216cb92060da34 (diff)
downloadlinux-a103a75ad978592cf71b6d42c05849aacc76c2da.tar.gz
crypto: n2 - Use platform_register/unregister_drivers()
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@nvidia.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/n2_core.c')
-rw-r--r--drivers/crypto/n2_core.c17
1 files 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);