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Subject[PATCH] pinctrl: st: Fix checking return value of syscon_regmap_lookup_by_phandle()
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Date
syscon_regmap_lookup_by_phandle() returns ERR_PTR on error.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/pinctrl/pinctrl-st.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c
index 7effedf..f95c82a 100644
--- a/drivers/pinctrl/pinctrl-st.c
+++ b/drivers/pinctrl/pinctrl-st.c
@@ -1299,9 +1299,9 @@ static int st_pctl_probe_dt(struct platform_device *pdev,
return -ENOMEM;

info->regmap = syscon_regmap_lookup_by_phandle(np, "st,syscfg");
- if (!info->regmap) {
+ if (IS_ERR(info->regmap)) {
dev_err(info->dev, "No syscfg phandle specified\n");
- return -ENOMEM;
+ return PTR_ERR(info->regmap);
}
info->data = of_match_node(st_pctl_of_match, np)->data;

--
1.8.1.2




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