| Message ID | 20210408071832.836691-1-liushixin2@huawei.com |
|---|---|
| State | Accepted |
| Commit | 06cd7423cf451d68bfab289278d7890c9ae01a14 |
| Headers | show |
| Series | [-next,1/7] crypto: sun4i-ss - Fix PM reference leak when pm_runtime_get_sync() fails | expand |
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c index f945750b65d9..9ef1c85c4aaa 100644 --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c @@ -354,7 +354,7 @@ int sun8i_ss_cipher_init(struct crypto_tfm *tfm) op->enginectx.op.prepare_request = NULL; op->enginectx.op.unprepare_request = NULL; - err = pm_runtime_get_sync(op->ss->dev); + err = pm_runtime_resume_and_get(op->ss->dev); if (err < 0) { dev_err(op->ss->dev, "pm error %d\n", err); goto error_pm; diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c index e0ddc684798d..80e89066dbd1 100644 --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c @@ -753,7 +753,7 @@ static int sun8i_ss_probe(struct platform_device *pdev) if (err) goto error_alg; - err = pm_runtime_get_sync(ss->dev); + err = pm_runtime_resume_and_get(ss->dev); if (err < 0) goto error_alg;
pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced. Signed-off-by: Shixin Liu <liushixin2@huawei.com> --- drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c | 2 +- drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)