[PATCH v4 14/14] of: Improve __of_add_property_sysfs() readability

[Zijun Hu]

From: Zijun Hu <quic_zijuhu@xxxxxxxxxxx>

__of_add_property_sysfs() hard codes string "security-" length as 9, but
that is not obvious for readers.

Improve its readability by using strlen().

Signed-off-by: Zijun Hu <quic_zijuhu@xxxxxxxxxxx>
---
 drivers/of/kobj.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/of/kobj.c b/drivers/of/kobj.c
index aa887166f0d21030d620d43c864ca76cde1c6d05..44bfe50c6ea6503e3940578de1dfc7fe0583dfb3 100644
--- a/drivers/of/kobj.c
+++ b/drivers/of/kobj.c
@@ -62,10 +62,11 @@ static const char *safe_name(const struct kobject *kobj, const char *orig_name)
 
 int __of_add_property_sysfs(struct device_node *np, struct property *pp)
 {
+	const char *security_prefix = "security-";
 	int rc;
 
 	/* Important: Don't leak passwords */
-	bool secure = strncmp(pp->name, "security-", 9) == 0;
+	bool secure = strncmp(pp->name, security_prefix, strlen(security_prefix)) == 0;
 
 	if (!IS_ENABLED(CONFIG_SYSFS))
 		return 0;

-- 
2.34.1