Files
android_kernel_xiaomi_sm8450/drivers
Qinglang Miao 3a0cdd336d i2c: imx: fix reference leak when pm_runtime_get_sync fails
[ Upstream commit 47ff617217ca6a13194fcb35c6c3a0c57c080693 ]

In i2c_imx_xfer() and i2c_imx_remove(), the pm reference count
is not expected to be incremented on return.

However, pm_runtime_get_sync will increment 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: 3a5ee18d2a ("i2c: imx: implement master_xfer_atomic callback")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-05-14 09:50:36 +02:00
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