netdev - [PATCH net-next 1/2] net: dccp: Add __printf() markup to fix -Wsuggest-attribute=format

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Message-Id: <20201028003849.929490-2-andrew@lunn.ch>
Date:   Wed, 28 Oct 2020 01:38:48 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     netdev <netdev@...r.kernel.org>,
        Gerrit Renker <gerrit@....abdn.ac.uk>,
        Jon Maloy <jmaloy@...hat.com>,
        Ying Xue <ying.xue@...driver.com>, Andrew Lunn <andrew@...n.ch>
Subject: [PATCH net-next 1/2] net: dccp: Add __printf() markup to fix -Wsuggest-attribute=format

net/dccp/ccid.c: In function ‘ccid_kmem_cache_create’:
net/dccp/ccid.c:85:2: warning: function ‘ccid_kmem_cache_create’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
   85 |  vsnprintf(slab_name_fmt, CCID_SLAB_NAME_LENGTH, fmt, args);

Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 net/dccp/ccid.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c
index 1e9bb121ba72..6beac5d348e2 100644
--- a/net/dccp/ccid.c
+++ b/net/dccp/ccid.c
@@ -76,7 +76,7 @@ int ccid_getsockopt_builtin_ccids(struct sock *sk, int len,
 	return err;
 }
 
-static struct kmem_cache *ccid_kmem_cache_create(int obj_size, char *slab_name_fmt, const char *fmt,...)
+static __printf(3, 4) struct kmem_cache *ccid_kmem_cache_create(int obj_size, char *slab_name_fmt, const char *fmt,...)
 {
 	struct kmem_cache *slab;
 	va_list args;
-- 
2.28.0