linux-kernel - [PATCH 3.16 31/83] sh: kernel: hw_breakpoint: Fix missing break in switch statement

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Date:   Wed, 20 Nov 2019 15:37:41 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, Denis Kirjanov <kda@...ux-powerpc.org>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        "Geert Uytterhoeven" <geert+renesas@...der.be>,
        "Guenter Roeck" <linux@...ck-us.net>
Subject: [PATCH 3.16 31/83] sh: kernel: hw_breakpoint: Fix missing break
 in switch statement

3.16.78-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>

commit 1ee1119d184bb06af921b48c3021d921bbd85bac upstream.

Add missing break statement in order to prevent the code from falling
through to case SH_BREAKPOINT_WRITE.

Fixes: 09a072947791 ("sh: hw-breakpoints: Add preliminary support for SH-4A UBC.")
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
Reviewed-by: Guenter Roeck <linux@...ck-us.net>
Tested-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 arch/sh/kernel/hw_breakpoint.c | 1 +
 1 file changed, 1 insertion(+)

--- a/arch/sh/kernel/hw_breakpoint.c
+++ b/arch/sh/kernel/hw_breakpoint.c
@@ -160,6 +160,7 @@ int arch_bp_generic_fields(int sh_len, i
 	switch (sh_type) {
 	case SH_BREAKPOINT_READ:
 		*gen_type = HW_BREAKPOINT_R;
+		break;
 	case SH_BREAKPOINT_WRITE:
 		*gen_type = HW_BREAKPOINT_W;
 		break;