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[net-next,7/8] netfilter: nftables: Add __printf() attribute

Message ID 20201104141149.30082-8-pablo@netfilter.org
State New
Headers show
Series Netfilter updates for net-next | expand

Commit Message

Pablo Neira Ayuso Nov. 4, 2020, 2:11 p.m. UTC 
From: Andrew Lunn <andrew@lunn.ch>

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>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/nf_tables_api.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

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;