linux-hardening - [PATCH 040/141] kprobes/x86: Fix fall-through warnings for Clang

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Message-ID: <65385c498bdc4fb67460395d10c9523dc6a647e2.1605896059.git.gustavoars@kernel.org>
Date:   Fri, 20 Nov 2020 12:30:44 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 040/141] kprobes/x86: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a break statement instead of just letting the code
fall through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 arch/x86/kernel/kprobes/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index 547c7abb39f5..983738bc08c0 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -864,6 +864,7 @@ static void resume_execution(struct kprobe *p, struct pt_regs *regs,
 			p->ainsn.boostable = true;
 			goto no_change;
 		}
+		break;
 	default:
 		break;
 	}
-- 
2.27.0