From: Jakub Kicinski <jakub.kicinski@netronome.com>
Date: Tue, 16 Jan 2018 15:51:46 -0800
Subject: bpf: annotate bpf_insn_print_t with __printf
Patch-mainline: v4.16-rc1
Git-commit: 48b325632641da27a241912d66b38a1221ab425f
References: bsc#1109837

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

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 kernel/bpf/disasm.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/kernel/bpf/disasm.h
+++ b/kernel/bpf/disasm.h
@@ -29,8 +29,8 @@ extern const char *const bpf_class_strin
 
 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,