Check return value of syscon_node_to_regmap for
rockchip_pm_domain_probe. If err value is returned, probe
procedure should abort.
Signed-off-by: Shawn Lin <shawn.lin at rock-chips.com>
---
drivers/soc/rockchip/pm_domains.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c
index 534c589..3c4a44d 100644
--- a/drivers/soc/rockchip/pm_domains.c
+++ b/drivers/soc/rockchip/pm_domains.c
@@ -402,6 +402,10 @@ static int rockchip_pm_domain_probe(struct platform_device *pdev)
}
pmu->regmap = syscon_node_to_regmap(parent->of_node);
+ if (IS_ERR(pmu->regmap)) {
+ dev_err(dev, "no regmap available\n");
+ return -ENODEV;
+ }
/*
* Configure power up and down transition delays for CORE
--
2.3.7
