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

Vineet Gupta
2024-03-28T05:39:38Z

| ../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@linaro.org>
Signed-off-by: Vineet Gupta <vgupta@kernel.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();