[PATCH] soc: imx: fix error check in imx8mp_blk_ctrl_probe()

Tang Bin
2022-09-13T07:34:18Z

In the function imx8mp_blk_ctrl_probe(),
dev_pm_domain_attach_by_name() may return NULL in some cases,
so IS_ERR() doesn't meet the requirements. Thus fix it.

Fixes: 556f5cf9568a ("soc: imx: add i.MX8MP HSIO blk-ctrl")
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
---
drivers/soc/imx/imx8mp-blk-ctrl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/imx/imx8mp-blk-ctrl.c b/drivers/soc/imx/imx8mp-blk-ctrl.c
index ccb30c6cd..ed8557eaf 100644
--- a/drivers/soc/imx/imx8mp-blk-ctrl.c
+++ b/drivers/soc/imx/imx8mp-blk-ctrl.c
@@ -597,11 +597,11 @@ static int imx8mp_blk_ctrl_probe(struct platform_device *pdev)

domain->power_dev =
dev_pm_domain_attach_by_name(dev, data->gpc_name);
- if (IS_ERR(domain->power_dev)) {
+ if (IS_ERR_OR_NULL(domain->power_dev)) {
dev_err_probe(dev, PTR_ERR(domain->power_dev),
"failed to attach power domain %s\n",
data->gpc_name);
- ret = PTR_ERR(domain->power_dev);
+ ret = PTR_ERR(domain->power_dev) ? : -ENODATA;
goto cleanup_pds;
}
dev_set_name(domain->power_dev, "%s", data->name);
--
2.33.0