On Wed, 2024-07-24 at 02:17 -0700, Zhu Jun wrote: > samples/bpf:Remove unused variable There is usually a space after the colon in the subject: "samples/bpf: Remove unused variable" Also a subject prefix "bpf-next" is needed. You can add it when formatting the patch: git format-patch -1 --subject-prefix='PATCH bpf-next'