When 'property' is not NULL, of_parse_phandle will return the
node pointer with refcount incremented. So when of_node_put,
also need to check property.

Signed-off-by: Peng Fan <[email protected]>
Cc: Lee Jones <[email protected]>
Cc: Arnd Bergmann <[email protected]>
---
 drivers/mfd/syscon.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
index 176bf0f..fab36bc 100644
--- a/drivers/mfd/syscon.c
+++ b/drivers/mfd/syscon.c
@@ -168,7 +168,9 @@ struct regmap *syscon_regmap_lookup_by_phandle(struct 
device_node *np,
                return ERR_PTR(-ENODEV);
 
        regmap = syscon_node_to_regmap(syscon_np);
-       of_node_put(syscon_np);
+
+       if (property)
+               of_node_put(syscon_np);
 
        return regmap;
 }
-- 
1.8.4

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