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bpf, libbpf: Fix ___bpf_kretprobe_args1(x) macro definition

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Use PT_REGS_RC instead of PT_REGS_RET to get ret correctly.

Fixes: df8ff35311 ("libbpf: Merge selftests' bpf_trace_helpers.h into libbpf's bpf_tracing.h")
Signed-off-by: Wenbo Zhang <ethercflow@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200315083252.22274-1-ethercflow@gmail.com
This commit is contained in:
Wenbo Zhang 2020-03-15 04:32:52 -04:00 committed by Daniel Borkmann
parent fd27b1835e
commit 483d7a30f5
1 changed files with 1 additions and 1 deletions
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tools/lib/bpf/bpf_tracing.h
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@ -390,7 +390,7 @@ ____##name(struct pt_regs *ctx, ##args)
#define ___bpf_kretprobe_args0() ctx
#define ___bpf_kretprobe_args1(x) \
___bpf_kretprobe_args0(), (void *)PT_REGS_RET(ctx)
___bpf_kretprobe_args0(), (void *)PT_REGS_RC(ctx)
#define ___bpf_kretprobe_args(args...) \
___bpf_apply(___bpf_kretprobe_args, ___bpf_narg(args))(args)