selftests: Make sure all 'skel' variables are declared static
If programs in prog_tests using skeletons declare the 'skel' variable as global but not static, that will lead to linker errors on the final link of the prog_tests binary due to duplicate symbols. Fix a few instances of this. Fixes: b18c1f0a ("bpf: selftest: Adapt sock_fields test to use skel and global variables") Fixes: 9a856cae ("bpf: selftest: Add test_btf_skc_cls_ingress") Signed-off-by:Toke Høiland-Jørgensen <toke@redhat.com> Signed-off-by:
Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200929123026.46751-1-toke@redhat.com
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