* make eprintf static, used only in main.c
* initialize ret in eprintf
* remove unused *tmp
v3:
* remove another err (Song Liu)
v2:
* remove unused 'int err = -1'
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20210329223143.3659983-1-sdf@google.com
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