Prototypes for sys_ni_syscall and sys_call_table are available
in header files, so remove the prototypes in c code.
This was noticed when building with -flto, because the prototype for
sys_ni_syscall doesn't match the function and we get a compiler error.
Signed-off-by: Anton Blanchard <an...@samba.org>
---
diff --git a/arch/powerpc/include/asm/syscall.h
b/arch/powerpc/include/asm/syscall.h
index ab9f3f0..d65f0cc 100644
--- a/arch/powerpc/include/asm/syscall.h
+++ b/arch/powerpc/include/asm/syscall.h
@@ -17,10 +17,7 @@
#include <linux/sched.h>
#include <linux/thread_info.h>
-/* ftrace syscalls requires exporting the sys_call_table */
-#ifdef CONFIG_FTRACE_SYSCALLS
extern const unsigned long sys_call_table[];
-#endif /* CONFIG_FTRACE_SYSCALLS */
static inline int syscall_get_nr(struct task_struct *task, struct pt_regs
*regs)
{
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index b457bfa..16d2d52 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -21,6 +21,7 @@
#include <linux/elf.h>
#include <linux/security.h>
#include <linux/memblock.h>
+#include <linux/syscalls.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
@@ -34,6 +35,7 @@
#include <asm/vdso.h>
#include <asm/vdso_datapage.h>
#include <asm/setup.h>
+#include <asm/syscall.h>
#undef DEBUG
@@ -667,9 +669,6 @@ static __init int vdso_setup(void)
static void __init vdso_setup_syscall_map(void)
{
unsigned int i;
- extern unsigned long *sys_call_table;
- extern unsigned long sys_ni_syscall;
-
for (i = 0; i < __NR_syscalls; i++) {
#ifdef CONFIG_PPC64
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