From: Tariq Toukan tariqt@nvidia.com
[ Upstream commit 3d8c51b25a235e283e37750943bbf356ef187230 ]
Add missing error checks in tls_device_init.
Fixes: e8f69799810c ("net/tls: Add generic NIC offload infrastructure") Reported-by: Jakub Kicinski kuba@kernel.org Reviewed-by: Maxim Mikityanskiy maximmi@nvidia.com Signed-off-by: Tariq Toukan tariqt@nvidia.com Link: https://lore.kernel.org/r/20220714070754.1428-1-tariqt@nvidia.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- include/net/tls.h | 4 ++-- net/tls/tls_device.c | 4 ++-- net/tls/tls_main.c | 7 ++++++- 3 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/include/net/tls.h b/include/net/tls.h index b6968a5b5538..e8764d3da41a 100644 --- a/include/net/tls.h +++ b/include/net/tls.h @@ -708,7 +708,7 @@ int tls_sw_fallback_init(struct sock *sk, struct tls_crypto_info *crypto_info);
#ifdef CONFIG_TLS_DEVICE -void tls_device_init(void); +int tls_device_init(void); void tls_device_cleanup(void); void tls_device_sk_destruct(struct sock *sk); int tls_set_device_offload(struct sock *sk, struct tls_context *ctx); @@ -728,7 +728,7 @@ static inline bool tls_is_sk_rx_device_offloaded(struct sock *sk) return tls_get_ctx(sk)->rx_conf == TLS_HW; } #else -static inline void tls_device_init(void) {} +static inline int tls_device_init(void) { return 0; } static inline void tls_device_cleanup(void) {}
static inline int diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index 3919fe2c58c5..3a61bb594544 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -1394,9 +1394,9 @@ static struct notifier_block tls_dev_notifier = { .notifier_call = tls_dev_event, };
-void __init tls_device_init(void) +int __init tls_device_init(void) { - register_netdevice_notifier(&tls_dev_notifier); + return register_netdevice_notifier(&tls_dev_notifier); }
void __exit tls_device_cleanup(void) diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c index 5c9697840ef7..13058b0ee4cd 100644 --- a/net/tls/tls_main.c +++ b/net/tls/tls_main.c @@ -993,7 +993,12 @@ static int __init tls_register(void) if (err) return err;
- tls_device_init(); + err = tls_device_init(); + if (err) { + unregister_pernet_subsys(&tls_proc_ops); + return err; + } + tcp_register_ulp(&tcp_tls_ulp_ops);
return 0;