linux-kernel - [PATCH 1/2] ARC: Fix -Wmissing-prototypes warnings

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Date: Wed, 27 Mar 2024 22:39:18 -0700
From: Vineet Gupta <vgupta@...nel.org>
To: linux-snps-arc@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org,
	Vineet Gupta <vgupta@...nel.org>,
	Linux Kernel Functional Testing <lkft@...aro.org>
Subject: [PATCH 1/2] ARC: Fix -Wmissing-prototypes warnings

| ../arch/arc/kernel/kprobes.c:193:15: warning: no previous prototype for 'arc_kprobe_handler' [-Wmissing-prototypes]
|  193 | int __kprobes arc_kprobe_handler(unsigned long addr, struct pt_regs *regs)
|
|../arch/arc/kernel/ptrace.c:342:16: warning: no previous prototype for 'syscall_trace_enter' [-Wmissing-prototypes]
|  342 | asmlinkage int syscall_trace_enter(struct pt_regs *regs)

Link: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240325/testrun/23149630/suite/build/test/gcc-9-defconfig/log
Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
Signed-off-by: Vineet Gupta <vgupta@...nel.org>
---
 arch/arc/include/asm/ptrace.h | 2 +-
 arch/arc/kernel/kprobes.c     | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/arc/include/asm/ptrace.h b/arch/arc/include/asm/ptrace.h
index 00b9318e551e..cf79df0b2570 100644
--- a/arch/arc/include/asm/ptrace.h
+++ b/arch/arc/include/asm/ptrace.h
@@ -169,7 +169,7 @@ static inline unsigned long regs_get_register(struct pt_regs *regs,
 	return *(unsigned long *)((unsigned long)regs + offset);
 }
 
-extern int syscall_trace_entry(struct pt_regs *);
+extern int syscall_trace_enter(struct pt_regs *);
 extern void syscall_trace_exit(struct pt_regs *);
 
 #endif /* !__ASSEMBLY__ */
diff --git a/arch/arc/kernel/kprobes.c b/arch/arc/kernel/kprobes.c
index e71d64119d71..f8e2960832d9 100644
--- a/arch/arc/kernel/kprobes.c
+++ b/arch/arc/kernel/kprobes.c
@@ -190,7 +190,8 @@ static void __kprobes setup_singlestep(struct kprobe *p, struct pt_regs *regs)
 	}
 }
 
-int __kprobes arc_kprobe_handler(unsigned long addr, struct pt_regs *regs)
+static int
+__kprobes arc_kprobe_handler(unsigned long addr, struct pt_regs *regs)
 {
 	struct kprobe *p;
 	struct kprobe_ctlblk *kcb;
@@ -241,8 +242,8 @@ int __kprobes arc_kprobe_handler(unsigned long addr, struct pt_regs *regs)
 	return 0;
 }
 
-static int __kprobes arc_post_kprobe_handler(unsigned long addr,
-					 struct pt_regs *regs)
+static int
+__kprobes arc_post_kprobe_handler(unsigned long addr, struct pt_regs *regs)
 {
 	struct kprobe *cur = kprobe_running();
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
-- 
2.34.1