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: Pu Lehui <pulehui@xxxxxxxxxx> --- drivers/i2c/busses/i2c-cadence.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c index e4b7f2a951ad..e8eae8725900 100644 --- a/drivers/i2c/busses/i2c-cadence.c +++ b/drivers/i2c/busses/i2c-cadence.c @@ -789,7 +789,7 @@ static int cdns_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, bool change_role = false; #endif - ret = pm_runtime_get_sync(id->dev); + ret = pm_runtime_resume_and_get(id->dev); if (ret < 0) return ret; @@ -911,7 +911,7 @@ static int cdns_reg_slave(struct i2c_client *slave) if (slave->flags & I2C_CLIENT_TEN) return -EAFNOSUPPORT; - ret = pm_runtime_get_sync(id->dev); + ret = pm_runtime_resume_and_get(id->dev); if (ret < 0) return ret; -- 2.17.1
