linux-kernel - [PATCH] arch/h8300: eliminate ptrace.h warnings

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Date:   Thu, 19 Jul 2018 19:34:53 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     LKML <linux-kernel@...r.kernel.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc:     uclinux-h8-devel@...ts.sourceforge.jp
Subject: [PATCH] arch/h8300: eliminate ptrace.h warnings

From: Randy Dunlap <rdunlap@...radead.org>

Add a "struct task_struct;" stub to arch/h8300's ptrace.h header to
eliminate gcc warnings (gcc version is 8.1.0).

../arch/h8300/include/asm/ptrace.h:32:34: warning: 'struct task_struct' declared inside parameter list will not be visible outside of this definition or declaration
 extern long h8300_get_reg(struct task_struct *task, int regno);
../arch/h8300/include/asm/ptrace.h:33:33: warning: 'struct task_struct' declared inside parameter list will not be visible outside of this definition or declaration
 extern int h8300_put_reg(struct task_struct *task, int regno,

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc: uclinux-h8-devel@...ts.sourceforge.jp
---
 arch/h8300/include/asm/ptrace.h |    2 ++
 1 file changed, 2 insertions(+)

--- linux-next-20180717.orig/arch/h8300/include/asm/ptrace.h
+++ linux-next-20180717/arch/h8300/include/asm/ptrace.h
@@ -4,6 +4,8 @@
 
 #include <uapi/asm/ptrace.h>
 
+struct task_struct;
+
 #ifndef __ASSEMBLY__
 #ifndef PS_S
 #define PS_S  (0x10)