From 4ab9ab656a6cea5257bfa31f00c922d68f7a5c2f Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Mon, 5 Aug 2019 14:56:54 -0500 Subject: [PATCH] x86/ptrace: Mark expected switch fall-through Mark switch cases where we are expecting to fall through. Fix the following warning (Building: allnoconfig i386): arch/x86/kernel/ptrace.c:202:6: warning: this statement may fall through [-Wimplicit-fallthrough=] if (unlikely(value == 0)) ^ arch/x86/kernel/ptrace.c:206:2: note: here default: ^~~~~~~ Signed-off-by: Gustavo A. R. Silva Signed-off-by: Thomas Gleixner Reviewed-by: Kees Cook Link: https://lkml.kernel.org/r/20190805195654.GA17831@embeddedor --- arch/x86/kernel/ptrace.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c index 0fdbe89d0754..3c5bbe8e4120 100644 --- a/arch/x86/kernel/ptrace.c +++ b/arch/x86/kernel/ptrace.c @@ -201,6 +201,7 @@ static int set_segment_reg(struct task_struct *task, case offsetof(struct user_regs_struct, ss): if (unlikely(value == 0)) return -EIO; + /* Else, fall through */ default: *pt_regs_access(task_pt_regs(task), offset) = value; -- 2.30.2