diff options
| author | Shixin Liu <liushixin2@huawei.com> | 2021-04-08 10:18:32 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2021-04-16 14:16:32 +0300 |
| commit | 06cd7423cf451d68bfab289278d7890c9ae01a14 (patch) | |
| tree | c978ce52d721334b427c65f662fa300195b9ee28 /drivers/crypto | |
| parent | ac98fc5e1c321112dab9ccac9df892c154540f5d (diff) | |
| download | linux-06cd7423cf451d68bfab289278d7890c9ae01a14.tar.xz | |
crypto: sun8i-ss - Fix PM reference leak when pm_runtime_get_sync() fails
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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c | 2 | ||||
| -rw-r--r-- | drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c | 2 |
2 files changed, 2 insertions, 2 deletions
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; |