[PATCH 6.1 151/473] libbpf: Fix error message in attach_kprobe_multi

Greg Kroah-Hartman
2024-06-06T14:14:33Z

From: Jiri Olsa <jolsa@kernel.org>

[ Upstream commit 7c13ef16e87ac2e44d16c0468b1191bceb06f95c ]

We just failed to retrieve pattern, so we need to print spec instead.

Fixes: ddc6b04989eb ("libbpf: Add bpf_program__attach_kprobe_multi_opts function")
Reported-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240502075541.1425761-2-jolsa@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/lib/bpf/libbpf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index c71d4d0f5c6f3..bb27dfd6b97a7 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -10417,7 +10417,7 @@ static int attach_kprobe_multi(const struct bpf_program *prog, long cookie, stru

n = sscanf(spec, "%m[a-zA-Z0-9_.*?]", &pattern);
if (n < 1) {
- pr_warn("kprobe multi pattern is invalid: %s\n", pattern);
+ pr_warn("kprobe multi pattern is invalid: %s\n", spec);
return -EINVAL;
}

--
2.43.0