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[4.4,19/26] x86/asm: Ensure asm/proto.h can be included stand-alone

Message ID 20210802134332.655434834@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman Aug. 2, 2021, 1:44 p.m. UTC 
From: Jan Kiszka <jan.kiszka@siemens.com>

[ Upstream commit f7b21a0e41171d22296b897dac6e4c41d2a3643c ]

Fix:

  ../arch/x86/include/asm/proto.h:14:30: warning: ‘struct task_struct’ declared \
    inside parameter list will not be visible outside of this definition or declaration
  long do_arch_prctl_64(struct task_struct *task, int option, unsigned long arg2);
                               ^~~~~~~~~~~

  .../arch/x86/include/asm/proto.h:40:34: warning: ‘struct task_struct’ declared \
    inside parameter list will not be visible outside of this definition or declaration
   long do_arch_prctl_common(struct task_struct *task, int option,
                                    ^~~~~~~~~~~

if linux/sched.h hasn't be included previously. This fixes a build error
when this header is used outside of the kernel tree.

 [ bp: Massage commit message. ]

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/b76b4be3-cf66-f6b2-9a6c-3e7ef54f9845@web.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/include/asm/proto.h | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/arch/x86/include/asm/proto.h b/arch/x86/include/asm/proto.h
index a4a77286cb1d..ae6f1592530b 100644
--- a/arch/x86/include/asm/proto.h
+++ b/arch/x86/include/asm/proto.h
@@ -3,6 +3,8 @@ 
 
 #include <asm/ldt.h>
 
+struct task_struct;
+
 /* misc architecture specific prototypes */
 
 void syscall_init(void);