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| author |   Gustavo A. R. Silva <gustavo@embeddedor.com> | 2019-08-05 14:56:54 -0500 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2019-08-07 15:12:01 +0200 |
| commit | 4ab9ab656a6cea5257bfa31f00c922d68f7a5c2f (patch) | |
| tree | 1a56807b22f7b5c8773d41dd5dedfa6e00d84b85 /arch/x86 | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
| download | linux-dev-4ab9ab656a6cea5257bfa31f00c922d68f7a5c2f.tar.xz linux-dev-4ab9ab656a6cea5257bfa31f00c922d68f7a5c2f.zip | |
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 <gustavo@embeddedor.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lkml.kernel.org/r/20190805195654.GA17831@embeddedor
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/ptrace.c | 1 |
1 files changed, 1 insertions, 0 deletions
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; |