parisc: Add hardened usercopy feature

Add hardened usercopy checks to parisc architecture and clean up
indenting.

Signed-off-by: Helge Deller <deller@gmx.de>

1 files changed, 6 insertions, 5 deletions

diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c
index b2b441b32341..f82ff10ed974 100644
--- a/arch/parisc/lib/memcpy.c
+++ b/arch/parisc/lib/memcpy.c
@@ -489,20 +489,23 @@ static unsigned long pa_memcpy(void *dstp, const void *srcp, unsigned long len)
 }
 
 #ifdef __KERNEL__
-unsigned long copy_to_user(void __user *dst, const void *src, unsigned long len)
+unsigned long __copy_to_user(void __user *dst, const void *src,
+			     unsigned long len)
 {
 	mtsp(get_kernel_space(), 1);
 	mtsp(get_user_space(), 2);
 	return pa_memcpy((void __force *)dst, src, len);
 }
+EXPORT_SYMBOL(__copy_to_user);
 
-EXPORT_SYMBOL(__copy_from_user);
-unsigned long __copy_from_user(void *dst, const void __user *src, unsigned long len)
+unsigned long __copy_from_user(void *dst, const void __user *src,
+			       unsigned long len)
 {
 	mtsp(get_user_space(), 1);
 	mtsp(get_kernel_space(), 2);
 	return pa_memcpy(dst, (void __force *)src, len);
 }
+EXPORT_SYMBOL(__copy_from_user);
 
 unsigned long copy_in_user(void __user *dst, const void __user *src, unsigned long len)
 {
@@ -520,8 +523,6 @@ void * memcpy(void * dst,const void *src, size_t count)
 	return dst;
 }
 
-EXPORT_SYMBOL(copy_to_user);
-EXPORT_SYMBOL(copy_from_user);
 EXPORT_SYMBOL(copy_in_user);
 EXPORT_SYMBOL(memcpy);