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Message-Id: <20190506143052.314322038@linuxfoundation.org>
Date: Mon, 6 May 2019 16:32:45 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
Masami Hiramatsu <mhiramat@...nel.org>,
Alexander Potapenko <glider@...gle.com>,
Andrey Ryabinin <aryabinin@...tuozzo.com>,
Dmitry Vyukov <dvyukov@...gle.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Andrey Konovalov <andreyknvl@...gle.com>
Subject: [PATCH 4.9 14/62] kasan: add a prototype of task_struct to avoid warning
From: Masami Hiramatsu <mhiramat@...nel.org>
commit 5be9b730b09c45c358bbfe7f51d254e306cccc07 upstream.
Add a prototype of task_struct to fix below warning on arm64.
In file included from arch/arm64/kernel/probes/kprobes.c:19:0:
include/linux/kasan.h:81:132: error: 'struct task_struct' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
static inline void kasan_unpoison_task_stack(struct task_struct *task) {}
As same as other types (kmem_cache, page, and vm_struct) this adds a
prototype of task_struct data structure on top of kasan.h.
[arnd] A related warning was fixed before, but now appears in a
different line in the same file in v4.11-rc2. The patch from Masami
Hiramatsu still seems appropriate, so let's take his version.
Fixes: 71af2ed5eeea ("kasan, sched/headers: Remove <linux/sched.h> from <linux/kasan.h>")
Link: https://patchwork.kernel.org/patch/9569839/
Link: http://lkml.kernel.org/r/20170313141517.3397802-1-arnd@arndb.de
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
Acked-by: Alexander Potapenko <glider@...gle.com>
Acked-by: Andrey Ryabinin <aryabinin@...tuozzo.com>
Cc: Dmitry Vyukov <dvyukov@...gle.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Andrey Konovalov <andreyknvl@...gle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
include/linux/kasan.h | 1 +
1 file changed, 1 insertion(+)
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -7,6 +7,7 @@
struct kmem_cache;
struct page;
struct vm_struct;
+struct task_struct;
#ifdef CONFIG_KASAN
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