Merge branch 'bpf-bpftool-fixes'

Merge branch 'bpf-bpftool-fixes'

Jakub Kicinski says:

====================
Two small fixes for error handling in bpftool prog load, first patch
removes a duplicated message, second one frees resources correctly.
Multiple error messages break JSON:

{
    "error": "can't pin the object (/sys/fs/bpf/a): File exists"
},{
    "error": "failed to pin program"
}
====================

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>