CHECK: Logical continuations should be on the previous line
#52: FILE: kernel/bpf/liveness.c:504:
+	if (unlikely(insn->code == (BPF_JMP | BPF_CALL) && insn->src_reg == 0
+		     && insn->imm == BPF_FUNC_tail_call))

WARNING: line length of 89 exceeds 80 columns
#66: FILE: kernel/bpf/verifier.c:4414:
+			if (insn->src_reg == BPF_REG_0 && insn->imm == BPF_FUNC_tail_call

CHECK: Logical continuations should be on the previous line
#67: FILE: kernel/bpf/verifier.c:4415:
+			if (insn->src_reg == BPF_REG_0 && insn->imm == BPF_FUNC_tail_call
+			    && subseq_idx - idx != 1) {

WARNING: line length of 90 exceeds 80 columns
#94: FILE: kernel/bpf/verifier.c:11957:
+			branch = push_stack(env, env->insn_idx + 1, env->insn_idx, false);

total: 0 errors, 2 warnings, 2 checks, 65 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 c45f1aa5d52d ("bpf: properly verify tail call behavior") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 2 checks, 65 lines checked