[PATCH 1/2] clk: imx: imx8: Fix an IS_ERR() vs NULL check in clk_imx_acm_attach_pm_domains()

[Dan Carpenter]

The device_link_add() function returns NULL on error.  It doesn't return
error pointers.  Fix the check accordingly.

Fixes: d3a0946d7ac9 ("clk: imx: imx8: add audio clock mux driver")
Signed-off-by: Dan Carpenter <dan.carpenter at linaro.org>
---
 drivers/clk/imx/clk-imx8-acm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c
index 1e82f72b75c6..83019b986622 100644
--- a/drivers/clk/imx/clk-imx8-acm.c
+++ b/drivers/clk/imx/clk-imx8-acm.c
@@ -287,9 +287,9 @@ static int clk_imx_acm_attach_pm_domains(struct device *dev,
 							 DL_FLAG_STATELESS |
 							 DL_FLAG_PM_RUNTIME |
 							 DL_FLAG_RPM_ACTIVE);
-		if (IS_ERR(dev_pm->pd_dev_link[i])) {
+		if (!dev_pm->pd_dev_link[i]) {
 			dev_pm_domain_detach(dev_pm->pd_dev[i], false);
-			ret = PTR_ERR(dev_pm->pd_dev_link[i]);
+			ret = -EINVAL;
 			goto detach_pm;
 		}
 	}
-- 
2.39.2