}
type = determine_uprobe_perf_type_legacy(probe_name, retprobe);
if (type < 0) {
+ err = type;
pr_warn("failed to determine legacy uprobe event id for %s:0x%zx: %d\n",
- binary_path, offset, type);
- return type;
+ binary_path, offset, err);
+ goto err_clean_legacy;
}
memset(&attr, 0, sizeof(attr));
if (pfd < 0) {
err = -errno;
pr_warn("legacy uprobe perf_event_open() failed: %d\n", err);
- return err;
+ goto err_clean_legacy;
}
return pfd;
+
+err_clean_legacy:
+ /* Clear the newly added legacy uprobe_event */
+ remove_uprobe_event_legacy(probe_name, retprobe);
+ return err;
}
/* Return next ELF section of sh_type after scn, or first of that type if scn is NULL. */
prog->name, retprobe ? "uretprobe" : "uprobe",
binary_path, func_offset,
libbpf_strerror_r(err, errmsg, sizeof(errmsg)));
- goto err_out;
+ goto err_clean_legacy;
}
if (legacy) {
struct bpf_link_perf *perf_link = container_of(link, struct bpf_link_perf, link);
perf_link->legacy_is_retprobe = retprobe;
}
return link;
+
+err_clean_legacy:
+ if (legacy)
+ remove_uprobe_event_legacy(legacy_probe, retprobe);
err_out:
free(legacy_probe);
return libbpf_err_ptr(err);
-
}
/* Format of u[ret]probe section definition supporting auto-attach: