From fd5d283a4e4b69c292eeefcb1936b746e4f634a6 Mon Sep 17 00:00:00 2001 From: Alexei Starovoitov Date: Wed, 10 Aug 2022 23:52:28 -0700 Subject: [PATCH] bpf: Shut up kern_sys_bpf warning. Shut up this warning: kernel/bpf/syscall.c:5089:5: warning: no previous prototype for function 'kern_sys_bpf' [-Wmissing-prototypes] int kern_sys_bpf(int cmd, union bpf_attr *attr, unsigned int size) Reported-by: Jakub Kicinski Signed-off-by: Alexei Starovoitov --- kernel/bpf/syscall.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index a1cb0bdc5ad64..a4d40d98428a3 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -5086,6 +5086,14 @@ BPF_CALL_3(bpf_sys_bpf, int, cmd, union bpf_attr *, attr, u32, attr_size) return __sys_bpf(cmd, KERNEL_BPFPTR(attr), attr_size); } + +/* To shut up -Wmissing-prototypes. + * This function is used by the kernel light skeleton + * to load bpf programs when modules are loaded or during kernel boot. + * See tools/lib/bpf/skel_internal.h + */ +int kern_sys_bpf(int cmd, union bpf_attr *attr, unsigned int size); + int kern_sys_bpf(int cmd, union bpf_attr *attr, unsigned int size) { struct bpf_prog * __maybe_unused prog; -- 2.39.5