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authorLinus Walleij <linus.walleij@linaro.org>2019-09-05 11:40:54 +0200
committerLinus Walleij <linus.walleij@linaro.org>2019-09-05 11:40:54 +0200
commit151a41014bff92f353263cadc051435dc9c3258e (patch)
treeaa082a0745edd5b7051668f455dfc0ee1e4a9de0 /arch/arm64/kernel/hw_breakpoint.c
parentae0755b56da9db4190288155ea884331993ed51b (diff)
parent089cf7f6ecb266b6a4164919a2e69bd2f938374a (diff)
Merge tag 'v5.3-rc7' into devel
Linux 5.3-rc7
Diffstat (limited to 'arch/arm64/kernel/hw_breakpoint.c')
-rw-r--r--arch/arm64/kernel/hw_breakpoint.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/arm64/kernel/hw_breakpoint.c b/arch/arm64/kernel/hw_breakpoint.c
index dceb84520948..38ee1514cd9c 100644
--- a/arch/arm64/kernel/hw_breakpoint.c
+++ b/arch/arm64/kernel/hw_breakpoint.c
@@ -536,13 +536,18 @@ int hw_breakpoint_arch_parse(struct perf_event *bp,
/* Aligned */
break;
case 1:
- /* Allow single byte watchpoint. */
- if (hw->ctrl.len == ARM_BREAKPOINT_LEN_1)
- break;
case 2:
/* 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;
}