From: Andrii Nakryiko andrii@kernel.org
[ Upstream commit a643bff752dcf72a07e1b2ab2f8587e4f51118be ]
Add bpf_patch_call_args() prototype. This function is called from BPF verifier and only if CONFIG_BPF_JIT_ALWAYS_ON is not defined. This fixes compiler warning about missing prototype in some kernel configurations.
Fixes: 1ea47e01ad6e ("bpf: add support for bpf_call to interpreter") Reported-by: kernel test robot lkp@intel.com Signed-off-by: Andrii Nakryiko andrii@kernel.org Signed-off-by: Alexei Starovoitov ast@kernel.org Acked-by: Yonghong Song yhs@fb.com Link: https://lore.kernel.org/bpf/20210112075520.4103414-2-andrii@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- include/linux/bpf.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 2b16bf48aab61..642ce03f19c4c 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -1371,7 +1371,10 @@ static inline void bpf_long_memcpy(void *dst, const void *src, u32 size) /* verify correctness of eBPF program */ int bpf_check(struct bpf_prog **fp, union bpf_attr *attr, union bpf_attr __user *uattr); + +#ifndef CONFIG_BPF_JIT_ALWAYS_ON void bpf_patch_call_args(struct bpf_insn *insn, u32 stack_depth); +#endif
struct btf *bpf_get_btf_vmlinux(void);