[PATCH net-next 2/2] net: tipc: Add __printf() markup to fix -Wsuggest-attribute=format

[Andrew Lunn]

net/tipc/netlink_compat.c: In function ‘tipc_tlv_sprintf’:
net/tipc/netlink_compat.c:137:2: warning: function ‘tipc_tlv_sprintf’ might be 
a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
  137 |  n = vscnprintf(buf, rem, fmt, args);

Signed-off-by: Andrew Lunn <and...@lunn.ch>
---
 net/tipc/netlink_compat.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index 1c7aa51cc2a3..17a90a2fe753 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -118,7 +118,8 @@ static void tipc_tlv_init(struct sk_buff *skb, u16 type)
        skb_put(skb, sizeof(struct tlv_desc));
 }
 
-static int tipc_tlv_sprintf(struct sk_buff *skb, const char *fmt, ...)
+static __printf(2, 3) int tipc_tlv_sprintf(struct sk_buff *skb,
+                                          const char *fmt, ...)
 {
        int n;
        u16 len;
-- 
2.28.0