crypto: rockchip - fix to check return value
crypto_engine_alloc_init may fail, e.g., as result of a fail of
devm_kzalloc or kthread_create_worker. Other drivers (e.g.,
amlogic-gxl-core.c, aspeed-acry.c, aspeed-hace.c, jr.c, etc.) check
crypto_engine_alloc_init's return value and return -ENOMEM in case
a NULL pointer is returned. This patch inserts a corresponding
return value check to rk3288_crypto.c.
Signed-off-by: Kilian Zinnecker <kilian.zinnecker@mail.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/drivers/crypto/rockchip/rk3288_crypto.c b/drivers/crypto/rockchip/rk3288_crypto.c
index 70edf40..f74b3c8 100644
--- a/drivers/crypto/rockchip/rk3288_crypto.c
+++ b/drivers/crypto/rockchip/rk3288_crypto.c
@@ -371,6 +371,11 @@
}
crypto_info->engine = crypto_engine_alloc_init(&pdev->dev, true);
+ if (!crypto_info->engine) {
+ err = -ENOMEM;
+ goto err_crypto;
+ }
+
crypto_engine_start(crypto_info->engine);
init_completion(&crypto_info->complete);
