diff options
Diffstat (limited to 'drivers/crypto/sunxi-ss/sun4i-ss-cipher.c')
| -rw-r--r-- | drivers/crypto/sunxi-ss/sun4i-ss-cipher.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c index 6536fd4bee65..e5954a643daf 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c @@ -480,6 +480,7 @@ int sun4i_ss_cipher_init(struct crypto_tfm *tfm) struct sun4i_tfm_ctx *op = crypto_tfm_ctx(tfm); struct sun4i_ss_alg_template *algt; const char *name = crypto_tfm_alg_name(tfm); + int err; memset(op, 0, sizeof(struct sun4i_tfm_ctx)); @@ -497,13 +498,22 @@ int sun4i_ss_cipher_init(struct crypto_tfm *tfm) return PTR_ERR(op->fallback_tfm); } + err = pm_runtime_get_sync(op->ss->dev); + if (err < 0) + goto error_pm; + return 0; +error_pm: + crypto_free_sync_skcipher(op->fallback_tfm); + return err; } void sun4i_ss_cipher_exit(struct crypto_tfm *tfm) { struct sun4i_tfm_ctx *op = crypto_tfm_ctx(tfm); + crypto_free_sync_skcipher(op->fallback_tfm); + pm_runtime_put(op->ss->dev); } /* check and set the AES key, prepare the mode to be used */ |