6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alan Maguire <alan.maguire@xxxxxxxxxx> [ Upstream commit b3470da314fd8018ee237e382000c4154a942420 ] -Werror=suggest-attribute=format warns about two functions in kernel/bpf/btf.c [1]; add __printf() annotations to silence these warnings since for CONFIG_WERROR=y they will trigger build failures. [1] https://lore.kernel.org/bpf/a8b20c72-6631-4404-9e1f-0410642d7d20@xxxxxxxxx/ Fixes: 31d0bc81637d ("bpf: Move to generic BTF show support, apply it to seq files/strings") Reported-by: Mirsad Todorovac <mtodorovac69@xxxxxxxxx> Signed-off-by: Alan Maguire <alan.maguire@xxxxxxxxxx> Tested-by: Mirsad Todorovac <mtodorovac69@xxxxxxxxx> Link: https://lore.kernel.org/r/20240711182321.963667-1-alan.maguire@xxxxxxxxxx Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- kernel/bpf/btf.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index a31704a6bb614..896ac05bf1bd1 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -7070,8 +7070,8 @@ static void btf_type_show(const struct btf *btf, u32 type_id, void *obj, btf_type_ops(t)->show(btf, t, type_id, obj, 0, show); } -static void btf_seq_show(struct btf_show *show, const char *fmt, - va_list args) +__printf(2, 0) static void btf_seq_show(struct btf_show *show, const char *fmt, + va_list args) { seq_vprintf((struct seq_file *)show->target, fmt, args); } @@ -7104,8 +7104,8 @@ struct btf_show_snprintf { int len; /* length we would have written */ }; -static void btf_snprintf_show(struct btf_show *show, const char *fmt, - va_list args) +__printf(2, 0) static void btf_snprintf_show(struct btf_show *show, const char *fmt, + va_list args) { struct btf_show_snprintf *ssnprintf = (struct btf_show_snprintf *)show; int len; -- 2.43.0
