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-rw-r--r--arch/arm64/kernel/hw_breakpoint.c4
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;
}