WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP #47: FILE: arch/x86/net/bpf_jit_comp.c:3013: + return -ENOTSUPP; WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP #55: FILE: arch/x86/net/bpf_jit_comp.c:3021: + return -ENOTSUPP; CHECK: Please don't use multiple blank lines #57: FILE: arch/x86/net/bpf_jit_comp.c:3023: + + total: 0 errors, 2 warnings, 1 checks, 54 lines checked NOTE: For some of the reported defects, checkpatch may be able to mechanically convert to the typical style using --fix or --fix-inplace. Commit 9d01cbf2a2d6 ("bpf/x86: prevent trampoline attachment when args location on stack is uncertain") has style problems, please review. NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF NOTE: If any of the errors are false positives, please report them to the maintainer, see CHECKPATCH in MAINTAINERS. total: 0 errors, 2 warnings, 1 checks, 54 lines checked