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Diffstat (limited to 'tools/lib/bpf/libbpf_internal.h')
-rw-r--r--tools/lib/bpf/libbpf_internal.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/tools/lib/bpf/libbpf_internal.h b/tools/lib/bpf/libbpf_internal.h
index 377642ff51fc..98333a6c38e9 100644
--- a/tools/lib/bpf/libbpf_internal.h
+++ b/tools/lib/bpf/libbpf_internal.h
@@ -543,10 +543,9 @@ static inline int ensure_good_fd(int fd)
fd = fcntl(fd, F_DUPFD_CLOEXEC, 3);
saved_errno = errno;
close(old_fd);
- if (fd < 0) {
+ errno = saved_errno;
+ if (fd < 0)
pr_warn("failed to dup FD %d to FD > 2: %d\n", old_fd, -saved_errno);
- errno = saved_errno;
- }
}
return fd;
}