[PATCH] powerpc signal __user annotations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/asm-powerpc/compat.h b/include/asm-powerpc/compat.h
index accb80c9a339..aacaabd28ac1 100644
--- a/include/asm-powerpc/compat.h
+++ b/include/asm-powerpc/compat.h
@@ -126,6 +126,11 @@ static inline void __user *compat_ptr(compat_uptr_t uptr)
         return (void __user *)(unsigned long)uptr;
 }
 
+static inline compat_uptr_t ptr_to_compat(void __user *uptr)
+{
+        return (u32)(unsigned long)uptr;
+}
+
 static inline void __user *compat_alloc_user_space(long len)
 {
         struct pt_regs *regs = current->thread.regs;