[PATCH] lib/vsprintf: don't increment buf in bitmap_list_string

[Yury Norov]

Increment is confusing as the buf is overritten at the same line.

Fixes: b1c4af4d3d6b (vsprintf: rework bitmap_list_string) (next-20210817)
Suggested-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Signed-off-by: Yury Norov <yury.norov@xxxxxxxxx>
---
 lib/vsprintf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 29a384eee286..919b70d00855 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1261,7 +1261,7 @@ char *bitmap_list_string(char *buf, char *end, unsigned long *bitmap,
 
 		if (buf < end)
 			*buf = '-';
-		buf = number(++buf, end, rtop - 1, default_dec_spec);
+		buf = number(buf + 1, end, rtop - 1, default_dec_spec);
 	}
 	return buf;
 }
-- 
2.30.2