From: Satish Nagireddy <satish.nagireddy@xxxxxxxxxxxxx>
[ Upstream commit 3501f0c663063513ad604fb1b3f06af637d3396d ]
This patch ensures that the clock notifier is unregistered
when driver probe is returning error.
Fixes: df8eb5691c48 ("i2c: Add driver for Cadence I2C controller")
Signed-off-by: Satish Nagireddy <satish.nagireddy@xxxxxxxxxxxxx>
Tested-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
Reviewed-by: Michal Simek <michal.simek@xxxxxxx>
Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@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);
--
2.35.1
