Commit 6943c2b0 authored by Andrii Nakryiko's avatar Andrii Nakryiko Committed by Alexei Starovoitov
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bpf: Avoid warning when re-casting __bpf_call_base into __bpf_call_base_args 



BPF interpreter uses extra input argument, so re-casts __bpf_call_base into
__bpf_call_base_args. Avoid compiler warning about incompatible function
prototypes by casting to void * first.

Fixes: 1ea47e01 ("bpf: add support for bpf_call to interpreter")
Reported-by: default avatarkernel test robot <lkp@intel.com>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Acked-by: default avatarYonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20210112075520.4103414-3-andrii@kernel.org
parent a643bff7

include/linux/filter.h

+1 −1
Original line number Diff line number Diff line
@@ -886,7 +886,7 @@ void sk_filter_uncharge(struct sock *sk, struct sk_filter *fp); 
u64 __bpf_call_base(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5);

#define __bpf_call_base_args \

	((u64 (*)(u64, u64, u64, u64, u64, const struct bpf_insn *)) \

	 __bpf_call_base)

	 (void *)__bpf_call_base)



struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog);

void bpf_jit_compile(struct bpf_prog *prog);