diff options
| author | Zheng Yongjun <zhengyongjun3@huawei.com> | 2022-03-17 16:16:13 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-05-25 10:17:53 +0300 |
| commit | 39acee8aea3d02f649fb840bf0d72e3603fc9c83 (patch) | |
| tree | 635ddad2b647a7bdb6015e8bb87725966141588e /drivers/crypto | |
| parent | 703c80ff4330377a70aa5662db256d55ee12961e (diff) | |
| download | linux-39acee8aea3d02f649fb840bf0d72e3603fc9c83.tar.xz | |
crypto: stm32 - fix reference leak in stm32_crc_remove
[ Upstream commit e9a36feecee0ee5845f2e0656f50f9942dd0bed3 ]
pm_runtime_get_sync() will increment pm usage counter even it
failed. Forgetting to call pm_runtime_put_noidle will result
in reference leak in stm32_crc_remove, so we should fix it.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/stm32/stm32-crc32.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/crypto/stm32/stm32-crc32.c b/drivers/crypto/stm32/stm32-crc32.c index be1bf39a317d..90a920e7f664 100644 --- a/drivers/crypto/stm32/stm32-crc32.c +++ b/drivers/crypto/stm32/stm32-crc32.c @@ -384,8 +384,10 @@ static int stm32_crc_remove(struct platform_device *pdev) struct stm32_crc *crc = platform_get_drvdata(pdev); int ret = pm_runtime_get_sync(crc->dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put_noidle(crc->dev); return ret; + } spin_lock(&crc_list.lock); list_del(&crc->list); |