Re: [PATCH] i2c: cadence: Unregister the clk notifier in error path

From: Lars-Peter Clausen
Date: Tue Jun 28 2022 - 15:42:05 EST


On 6/28/22 21:12, Satish Nagireddy wrote:
This patch ensures that the clock notifier is unregistered
when driver probe is returning error.

Signed-off-by: Satish Nagireddy <satish.nagireddy@xxxxxxxxxxxxx>

Thanks! Looks good.

Tested-by: Lars-Peter Clausen <lars@xxxxxxxxxx>

---
drivers/i2c/busses/i2c-cadence.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c
index b4c1ad19cdae..3d6f8ee355bf 100644
--- a/drivers/i2c/busses/i2c-cadence.c
+++ b/drivers/i2c/busses/i2c-cadence.c
@@ -1338,6 +1338,7 @@ static int cdns_i2c_probe(struct platform_device *pdev)
return 0;
err_clk_dis:
+ clk_notifier_unregister(id->clk, &id->clk_rate_change_nb);
clk_disable_unprepare(id->clk);
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);