netdev - [PATCH bpf-next 2/6] bpf: annotate bpf_insn_print_t with _

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Message-Id: <20180116235150.28651-3-jakub.kicinski@netronome.com>
Date:   Tue, 16 Jan 2018 15:51:46 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     daniel@...earbox.net, alexei.starovoitov@...il.com
Cc:     netdev@...r.kernel.org, oss-drivers@...ronome.com,
        Jakub Kicinski <jakub.kicinski@...ronome.com>
Subject: [PATCH bpf-next 2/6] bpf: annotate bpf_insn_print_t with __printf

Functions of type bpf_insn_print_t take printf-like format
string, mark the type accordingly.

Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@...ronome.com>
---
 kernel/bpf/disasm.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/bpf/disasm.h b/kernel/bpf/disasm.h
index e0857d016f89..266fe8ee542b 100644
--- a/kernel/bpf/disasm.h
+++ b/kernel/bpf/disasm.h
@@ -29,8 +29,8 @@ extern const char *const bpf_class_string[8];
 
 const char *func_id_name(int id);
 
-typedef void (*bpf_insn_print_t)(struct bpf_verifier_env *env,
-				 const char *, ...);
+typedef __printf(2, 3) void (*bpf_insn_print_t)(struct bpf_verifier_env *env,
+						const char *, ...);
 typedef const char *(*bpf_insn_revmap_call_t)(void *private_data,
 					      const struct bpf_insn *insn);
 typedef const char *(*bpf_insn_print_imm_t)(void *private_data,
-- 
2.15.1