diff options
| author | Shixin Liu <liushixin2@huawei.com> | 2021-04-08 15:18:31 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2021-04-16 21:16:32 +1000 |
| commit | ac98fc5e1c321112dab9ccac9df892c154540f5d (patch) | |
| tree | f1c54e65f5705758b3393f43d357aee3b52684cb /drivers/crypto | |
| parent | 1aa33c7a48972888347bdb729377faf233efff60 (diff) | |
crypto: sun4i-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')
4 files changed, 4 insertions, 4 deletions
diff --git a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c index c2e6f5ed1d79..dec79fa3ebaf 100644 --- a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c +++ b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-cipher.c @@ -561,7 +561,7 @@ int sun4i_ss_cipher_init(struct crypto_tfm *tfm) sizeof(struct sun4i_cipher_req_ctx) + crypto_skcipher_reqsize(op->fallback_tfm)); - err = pm_runtime_get_sync(op->ss->dev); + err = pm_runtime_resume_and_get(op->ss->dev); if (err < 0) goto error_pm; diff --git a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c index ef224d5e4903..44b8fc4b786d 100644 --- a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c +++ b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-core.c @@ -454,7 +454,7 @@ static int sun4i_ss_probe(struct platform_device *pdev) * this info could be useful */ - err = pm_runtime_get_sync(ss->dev); + err = pm_runtime_resume_and_get(ss->dev); if (err < 0) goto error_pm; diff --git a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-hash.c b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-hash.c index c1b4585e9bbc..d28292762b32 100644 --- a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-hash.c +++ b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-hash.c @@ -27,7 +27,7 @@ int sun4i_hash_crainit(struct crypto_tfm *tfm) algt = container_of(alg, struct sun4i_ss_alg_template, alg.hash); op->ss = algt->ss; - err = pm_runtime_get_sync(op->ss->dev); + err = pm_runtime_resume_and_get(op->ss->dev); if (err < 0) return err; diff --git a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-prng.c b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-prng.c index 443160a114bb..491fcb7b81b4 100644 --- a/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-prng.c +++ b/drivers/crypto/allwinner/sun4i-ss/sun4i-ss-prng.c @@ -29,7 +29,7 @@ int sun4i_ss_prng_generate(struct crypto_rng *tfm, const u8 *src, algt = container_of(alg, struct sun4i_ss_alg_template, alg.rng); ss = algt->ss; - err = pm_runtime_get_sync(ss->dev); + err = pm_runtime_resume_and_get(ss->dev); if (err < 0) return err; |