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bpf: Add bpf_patch_call_args prototype to include/linux/bpf.h

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[ 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: 1ea47e01ad ("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>
This commit is contained in:
Andrii Nakryiko 2021-01-11 23:55:14 -08:00 committed by Greg Kroah-Hartman
parent ef1efead3f
commit faf4b1fba2
1 changed files with 3 additions and 0 deletions
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3
include/linux/bpf.h
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@ -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);