amd64: fix get_user() on bitwise

We really need force-cast when converting to final result type;
unsigned long can be silently converted to integer types and
to pointers, but not to bitwise.

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

1 files changed, 2 insertions, 2 deletions

diff --git a/include/asm-x86_64/uaccess.h b/include/asm-x86_64/uaccess.h
index 9df30b939c4e..f4ce8768ad44 100644
--- a/include/asm-x86_64/uaccess.h
+++ b/include/asm-x86_64/uaccess.h
@@ -100,7 +100,7 @@ struct exception_table_entry
         case 8:  __get_user_x(8,__ret_gu,__val_gu,ptr); break;          \
         default: __get_user_bad(); break;                               \
         }                                                               \
-        (x) = (typeof(*(ptr)))__val_gu;                         \
+        (x) = (__force typeof(*(ptr)))__val_gu;                         \
         __ret_gu;                                                       \
 })
 
@@ -192,7 +192,7 @@ struct __large_struct { unsigned long buf[100]; };
         int __gu_err;                                           \
         unsigned long __gu_val;                                 \
         __get_user_size(__gu_val,(ptr),(size),__gu_err);        \
-        (x) = (typeof(*(ptr)))__gu_val;                 \
+        (x) = (__force typeof(*(ptr)))__gu_val;                 \
         __gu_err;                                               \
 })