m68k: implement __clear_user()

m68k: implement __clear_user(), which is needed by fs/signalfd.c

Since we always let the MMU do all checking, clear_user() and __clear_user()
are identical. The old clear_user() is renamed to __clear_user() for
consistency.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Davide Libenzi <davidel@xmailserver.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/m68k/lib/uaccess.c b/arch/m68k/lib/uaccess.c
index 865f9fb9e68..13854ed8cd9 100644
--- a/arch/m68k/lib/uaccess.c
+++ b/arch/m68k/lib/uaccess.c
@@ -181,7 +181,7 @@ EXPORT_SYMBOL(strnlen_user);
  * Zero Userspace
  */
 
-unsigned long clear_user(void __user *to, unsigned long n)
+unsigned long __clear_user(void __user *to, unsigned long n)
 {
         unsigned long res;
 
@@ -219,4 +219,4 @@ unsigned long clear_user(void __user *to, unsigned long n)
 
     return res;
 }
-EXPORT_SYMBOL(clear_user);
+EXPORT_SYMBOL(__clear_user);