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* [PATCH net-next] net: netfilter: Add __printf() attribute
@ 2020-10-31 18:21 Andrew Lunn
  2020-10-31 18:33 ` Pablo Neira Ayuso
  0 siblings, 1 reply; 2+ messages in thread
From: Andrew Lunn @ 2020-10-31 18:21 UTC (permalink / raw)
  To: Jakub Kicinski
  Cc: netdev, Pablo Neira Ayuso, Jozsef Kadlecsik, Florian Westphal,
	Andrew Lunn

nft_request_module calls vsnprintf() using parameters passed to it.
Make the function with __printf() attribute so the compiler can check
the format and arguments.

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

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 65cb8e3c13d9..522a9d28754b 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -581,7 +581,8 @@ struct nft_module_request {
 };
 
 #ifdef CONFIG_MODULES
-static int nft_request_module(struct net *net, const char *fmt, ...)
+static __printf(2, 3) int nft_request_module(struct net *net, const char *fmt,
+					     ...)
 {
 	char module_name[MODULE_NAME_LEN];
 	struct nft_module_request *req;
-- 
2.28.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH net-next] net: netfilter: Add __printf() attribute
  2020-10-31 18:21 [PATCH net-next] net: netfilter: Add __printf() attribute Andrew Lunn
@ 2020-10-31 18:33 ` Pablo Neira Ayuso
  0 siblings, 0 replies; 2+ messages in thread
From: Pablo Neira Ayuso @ 2020-10-31 18:33 UTC (permalink / raw)
  To: Andrew Lunn; +Cc: Jakub Kicinski, netdev, Jozsef Kadlecsik, Florian Westphal

On Sat, Oct 31, 2020 at 07:21:44PM +0100, Andrew Lunn wrote:
> nft_request_module calls vsnprintf() using parameters passed to it.
> Make the function with __printf() attribute so the compiler can check
> the format and arguments.

Applied, thanks.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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