From: Wenbo Zhang <ethercflow@gmail.com>
To: ast@kernel.org, daniel@iogearbox.net
Cc: netdev@vger.kernel.org, bpf@vger.kernel.org,
linux-kernel@vger.kernel.org, ethercflow@gmail.com
Subject: [PATCH] bpf: Fix ___bpf_kretprobe_args1(x) macro definition.
Date: Sun, 15 Mar 2020 04:32:52 -0400 [thread overview]
Message-ID: <20200315083252.22274-1-ethercflow@gmail.com> (raw)
Use PT_REGS_RC instead of PT_REGS_RET to get ret currectly.
Signed-off-by: Wenbo Zhang <ethercflow@gmail.com>
---
tools/lib/bpf/bpf_tracing.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h
index b0c9ae5c73b5..f3f3c3fb98cb 100644
--- a/tools/lib/bpf/bpf_tracing.h
+++ b/tools/lib/bpf/bpf_tracing.h
@@ -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)
--
2.17.1
next reply other threads:[~2020-03-15 8:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-15 8:32 Wenbo Zhang [this message]
2020-03-15 17:23 ` [PATCH] bpf: Fix ___bpf_kretprobe_args1(x) macro definition Andrii Nakryiko
2020-03-17 18:59 ` Daniel Borkmann
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