The "fallthrough" pseudo-keyword was added as a portable way to denote intentional fallthrough. Clang will still warn on cases where there is a fallthrough to an immediate break. Add explicit breaks for those cases.
Signed-off-by: Nick Desaulniers <ndesaulni...@google.com> Tested-by: Nathan Chancellor <natechancel...@gmail.com> Reviewed-by: Gustavo A. R. Silva <gustavo...@kernel.org> Reviewed-by: Miguel Ojeda <oj...@kernel.org> Reviewed-by: Nathan Chancellor <natechancel...@gmail.com> Acked-by: Michael Ellerman <m...@ellerman.id.au> Link: https://github.com/ClangBuiltLinux/linux/issues/236 --- arch/powerpc/kernel/prom_init.c | 1 + arch/powerpc/kernel/uprobes.c | 1 + arch/powerpc/perf/imc-pmu.c | 1 + 3 files changed, 3 insertions(+) diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 38ae5933d917..e9d4eb6144e1 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -355,6 +355,7 @@ static int __init prom_strtobool(const char *s, bool *res) default: break; } + break; default: break; } diff --git a/arch/powerpc/kernel/uprobes.c b/arch/powerpc/kernel/uprobes.c index d200e7df7167..e8a63713e655 100644 --- a/arch/powerpc/kernel/uprobes.c +++ b/arch/powerpc/kernel/uprobes.c @@ -141,6 +141,7 @@ int arch_uprobe_exception_notify(struct notifier_block *self, case DIE_SSTEP: if (uprobe_post_sstep_notifier(regs)) return NOTIFY_STOP; + break; default: break; } diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index 7b25548ec42b..e106909ff9c3 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -1500,6 +1500,7 @@ static int update_pmu_ops(struct imc_pmu *pmu) pmu->pmu.stop = trace_imc_event_stop; pmu->pmu.read = trace_imc_event_read; pmu->attr_groups[IMC_FORMAT_ATTR] = &trace_imc_format_group; + break; default: break; } -- 2.29.2.299.gdc1121823c-goog
