linux-kernel - [PATCH 04/16] xtensa: ptrace: add prototypes to <asm/ptrace.h>

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Date:   Tue, 19 Sep 2023 22:21:27 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Chris Zankel <chris@...kel.net>,
        Max Filippov <jcmvbkbc@...il.com>
Subject: [PATCH 04/16] xtensa: ptrace: add prototypes to <asm/ptrace.h>

Add prototype for do_syscall_trace_enter() to asm/ptrace.h.
Move prototype for do_syscall_trace_leave() there to be consistent.

Fixes a build warning:

arch/xtensa/kernel/ptrace.c:545:5: warning: no previous prototype for 'do_syscall_trace_enter' [-Wmissing-prototypes]
  545 | int do_syscall_trace_enter(struct pt_regs *regs)

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Chris Zankel <chris@...kel.net>
Cc: Max Filippov <jcmvbkbc@...il.com>
---
 arch/xtensa/include/asm/ptrace.h |    3 +++
 arch/xtensa/kernel/ptrace.c      |    1 -
 2 files changed, 3 insertions(+), 1 deletion(-)

diff -- a/arch/xtensa/include/asm/ptrace.h b/arch/xtensa/include/asm/ptrace.h
--- a/arch/xtensa/include/asm/ptrace.h
+++ b/arch/xtensa/include/asm/ptrace.h
@@ -106,6 +106,9 @@ static inline unsigned long regs_return_
 	return regs->areg[2];
 }
 
+int do_syscall_trace_enter(struct pt_regs *regs);
+void do_syscall_trace_leave(struct pt_regs *regs);
+
 #else	/* __ASSEMBLY__ */
 
 # include <asm/asm-offsets.h>
diff -- a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -541,7 +541,6 @@ long arch_ptrace(struct task_struct *chi
 	return ret;
 }
 
-void do_syscall_trace_leave(struct pt_regs *regs);
 int do_syscall_trace_enter(struct pt_regs *regs)
 {
 	if (regs->syscall == NO_SYSCALL)