x32: Fix coding style violations in the x32 VDSO code

Move the prototype for x32_setup_additional_pages() to a header file,
and adjust the coding style to match standard.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: H. J. Lu <hjl.tools@gmail.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c
index 01b8a0df5e0e..10f9f59477db 100644
--- a/arch/x86/vdso/vdso32-setup.c
+++ b/arch/x86/vdso/vdso32-setup.c
@@ -318,9 +318,8 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
         bool compat;
 
 #ifdef CONFIG_X86_X32_ABI
-        extern int x32_setup_additional_pages(struct linux_binprm *, int);
         if (test_thread_flag(TIF_X32))
-                return x32_setup_additional_pages (bprm, uses_interp);
+                return x32_setup_additional_pages(bprm, uses_interp);
 #endif
 
         if (vdso_enabled == VDSO_DISABLED)