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crypto: sun8i-ss - fix runtime pm imbalance on error

Message ID 20200520080617.23801-1-dinghao.liu@zju.edu.cn (mailing list archive)
State New, archived
Headers show
Series crypto: sun8i-ss - fix runtime pm imbalance on error | expand

Commit Message

Dinghao Liu May 20, 2020, 8:06 a.m. UTC 
pm_runtime_get_sync() increments the runtime PM usage counter even
it returns an error code. Thus a pairing decrement is needed on
the error handling path to keep the counter balanced.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
---
 drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
index 84d52fc3a2da..b1c766bf4483 100644
--- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
+++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
@@ -359,6 +359,7 @@  int sun8i_ss_cipher_init(struct crypto_tfm *tfm)
 
 	return 0;
 error_pm:
+	pm_runtime_put_sync(op->ss->dev);
 	crypto_free_sync_skcipher(op->fallback_tfm);
 	return err;
 }