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[bpf-next,v7,2/4] libbpf: Init fd_array when prog probe load

Message ID 20250212153912.24116-3-chen.dylane@gmail.com (mailing list archive)
State Changes Requested
Delegated to: BPF
Headers show
Series Add prog_kfunc feature probe | expand

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bpf/vmtest-bpf-next-PR success PR summary
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Commit Message

Tao Chen Feb. 12, 2025, 3:39 p.m. UTC 
fd_array used to store module btf fd, which will
be used for kfunc probe in module btf.

Cc: Tao Chen <dylane.chen@didiglobal.com>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Tao Chen <chen.dylane@gmail.com>
---
 tools/lib/bpf/libbpf_probes.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/tools/lib/bpf/libbpf_probes.c b/tools/lib/bpf/libbpf_probes.c
index a48a557314f6..de2b1205b436 100644
--- a/tools/lib/bpf/libbpf_probes.c
+++ b/tools/lib/bpf/libbpf_probes.c
@@ -102,12 +102,13 @@  __u32 get_kernel_version(void)
 
 static int probe_prog_load(enum bpf_prog_type prog_type,
 			   const struct bpf_insn *insns, size_t insns_cnt,
-			   char *log_buf, size_t log_buf_sz)
+			   int *fd_array, char *log_buf, size_t log_buf_sz)
 {
 	LIBBPF_OPTS(bpf_prog_load_opts, opts,
 		.log_buf = log_buf,
 		.log_size = log_buf_sz,
 		.log_level = log_buf ? 1 : 0,
+		.fd_array = fd_array,
 	);
 	int fd, err, exp_err = 0;
 	const char *exp_msg = NULL;
@@ -214,7 +215,7 @@  int libbpf_probe_bpf_prog_type(enum bpf_prog_type prog_type, const void *opts)
 	if (opts)
 		return libbpf_err(-EINVAL);
 
-	ret = probe_prog_load(prog_type, insns, insn_cnt, NULL, 0);
+	ret = probe_prog_load(prog_type, insns, insn_cnt, NULL, NULL, 0);
 	return libbpf_err(ret);
 }
 
@@ -448,7 +449,7 @@  int libbpf_probe_bpf_helper(enum bpf_prog_type prog_type, enum bpf_func_id helpe
 		return libbpf_err(-EOPNOTSUPP);
 
 	buf[0] = '\0';
-	ret = probe_prog_load(prog_type, insns, insn_cnt, buf, sizeof(buf));
+	ret = probe_prog_load(prog_type, insns, insn_cnt, NULL, buf, sizeof(buf));
 	if (ret < 0)
 		return libbpf_err(ret);