i2c: imx-lpi2c: fix reference leak when pm_runtime_get_sync fails
mainline inclusion from mainline-v5.13-rc1 commit 278e5bbd category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I94JCT CVE: CVE-2020-36782 --------------------------- The PM reference count is not expected to be incremented on return in lpi2c_imx_master_enable. However, pm_runtime_get_sync will increment the PM reference count even failed. Forgetting to putting operation will result in a reference leak here. Replace it with pm_runtime_resume_and_get to keep usage counter balanced. Fixes: 13d6eb20 ("i2c: imx-lpi2c: add runtime pm support") Reported-by:Hulk Robot <hulkci@huawei.com> Signed-off-by:
Qinglang Miao <miaoqinglang@huawei.com> Signed-off-by:
Wolfram Sang <wsa@kernel.org> Signed-off-by:
Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
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