[PATCH 4/5] of: Do not change property state under __of_add_property() failure

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From: Zijun Hu <quic_zijuhu@xxxxxxxxxxx>

Do not remove the property from list @np->deadprops if
__of_add_property() encounters -EEXIST failure.

Signed-off-by: Zijun Hu <quic_zijuhu@xxxxxxxxxxx>
---
 drivers/of/base.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/of/base.c b/drivers/of/base.c
index c810014957e81171675b63f25eaabe391cc903e4..47cae6e48a48a7e1312c25fc5267bcf39102bbe9 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1646,9 +1646,6 @@ int __of_add_property(struct device_node *np, struct property *prop)
 
 	raw_spin_lock_irqsave(&devtree_lock, flags);
 
-	__of_remove_property_from_list(&np->deadprops, prop);
-
-	prop->next = NULL;
 	next = &np->properties;
 	while (*next) {
 		if (of_prop_cmp(prop->name, (*next)->name) == 0) {
@@ -1660,6 +1657,9 @@ int __of_add_property(struct device_node *np, struct property *prop)
 	}
 	*next = prop;
 
+	__of_remove_property_from_list(&np->deadprops, prop);
+	prop->next = NULL;
+
 out_unlock:
 	raw_spin_unlock_irqrestore(&devtree_lock, flags);
 	if (rc)

-- 
2.34.1





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