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| author | Will Deacon <will@kernel.org> | 2019-07-29 12:39:45 +0200 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2019-07-29 12:59:15 +0200 |
| commit | 75a382f1c9e5092db10ad1e2111633d61b65e578 (patch) | |
| tree | ce72838d550a43350ccdf05e93c2521d2f17929f /arch/arm64/kernel | |
| parent | drivers/perf: arm_pmu: Fix failure path in PM notifier (diff) | |
| download | linux-75a382f1c9e5092db10ad1e2111633d61b65e578.tar.xz linux-75a382f1c9e5092db10ad1e2111633d61b65e578.zip | |
arm64: hw_breakpoint: Fix warnings about implicit fallthrough
Now that -Wimplicit-fallthrough is passed to GCC by default, the kernel
build has suddenly got noisy. Annotate the two fall-through cases in our
hw_breakpoint implementation, since they are both intentional.
Reported-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/hw_breakpoint.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/kernel/hw_breakpoint.c b/arch/arm64/kernel/hw_breakpoint.c index 67b3bae50b92..38ee1514cd9c 100644 --- a/arch/arm64/kernel/hw_breakpoint.c +++ b/arch/arm64/kernel/hw_breakpoint.c @@ -540,10 +540,14 @@ int hw_breakpoint_arch_parse(struct perf_event *bp, /* Allow halfword watchpoints and breakpoints. */ if (hw->ctrl.len == ARM_BREAKPOINT_LEN_2) break; + + /* Fallthrough */ case 3: /* Allow single byte watchpoint. */ if (hw->ctrl.len == ARM_BREAKPOINT_LEN_1) break; + + /* Fallthrough */ default: return -EINVAL; } |