[PATCH v3 3/3] lib/vsprintf: add two device node flags

[lijiazi <jqqlijiazi@gmail.com>]

Add two device node flags, and use OF_DEVICE_NODE_FLAG_MAX instead
of sizeof("xxxx").

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: lijiazi <lijiazi@xiaomi.com>
---
Changes in v3:
 - check the flag in the same way as before.
 - split v2 to 3 patches.
---
 lib/vsprintf.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 7c488a1..b73e584 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1937,7 +1937,7 @@ static noinline_for_stack
 char *device_node_string(char *buf, char *end, struct device_node *dn,
 			 struct printf_spec spec, const char *fmt)
 {
-	char tbuf[sizeof("xxxx") + 1];
+	char tbuf[OF_DEVICE_NODE_FLAG_MAX + 1];
 	const char *p;
 	int ret;
 	char *buf_start = buf;
@@ -2001,7 +2001,9 @@ char *device_node_string(char *buf, char *end, struct device_node *dn,
 			tbuf[1] = of_node_check_flag(dn, OF_DETACHED) ? 'd' : '-';
 			tbuf[2] = of_node_check_flag(dn, OF_POPULATED) ? 'P' : '-';
 			tbuf[3] = of_node_check_flag(dn, OF_POPULATED_BUS) ? 'B' : '-';
-			tbuf[4] = 0;
+			tbuf[4] = of_node_check_flag(dn, OF_OVERLAY) ? 'O' : '-';
+			tbuf[5] = of_node_check_flag(dn, OF_OVERLAY_FREE_CSET) ? 'F' : '-';
+			tbuf[OF_DEVICE_NODE_FLAG_MAX] = 0;
 			buf = string_nocheck(buf, end, tbuf, str_spec);
 			break;
 		case 'c':	/* major compatible string */
-- 
2.7.4