diff options
Diffstat (limited to 'arch/s390/kernel/compat_wrapper.c')
| -rw-r--r-- | arch/s390/kernel/compat_wrapper.c | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/arch/s390/kernel/compat_wrapper.c b/arch/s390/kernel/compat_wrapper.c index f54b7b73f316..9d07cd553fc7 100644 --- a/arch/s390/kernel/compat_wrapper.c +++ b/arch/s390/kernel/compat_wrapper.c @@ -25,21 +25,6 @@ #define __SC_COMPAT_TYPE(t, a) \ __typeof(__builtin_choose_expr(sizeof(t) > 4, 0L, (t)0)) a -#define __SC_COMPAT_CAST(t, a) \ -({ \ - long __ReS = a; \ - \ - BUILD_BUG_ON((sizeof(t) > 4) && !__TYPE_IS_L(t) && \ - !__TYPE_IS_UL(t) && !__TYPE_IS_PTR(t)); \ - if (__TYPE_IS_L(t)) \ - __ReS = (s32)a; \ - if (__TYPE_IS_UL(t)) \ - __ReS = (u32)a; \ - if (__TYPE_IS_PTR(t)) \ - __ReS = a & 0x7fffffff; \ - (t)__ReS; \ -}) - /* * The COMPAT_SYSCALL_WRAP macro generates system call wrappers to be used by * compat tasks. These wrappers will only be used for system calls where only @@ -53,11 +38,11 @@ * the regular system call wrappers. */ #define COMPAT_SYSCALL_WRAPx(x, name, ...) \ -asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \ -asmlinkage long notrace compat_sys##name(__MAP(x,__SC_COMPAT_TYPE,__VA_ARGS__));\ -asmlinkage long notrace compat_sys##name(__MAP(x,__SC_COMPAT_TYPE,__VA_ARGS__)) \ +asmlinkage long __s390_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \ +asmlinkage long notrace __s390_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\ +asmlinkage long notrace __s390_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ { \ - return sys##name(__MAP(x,__SC_COMPAT_CAST,__VA_ARGS__)); \ + return __s390_sys##name(__MAP(x,__SC_ARGS,__VA_ARGS__)); \ } COMPAT_SYSCALL_WRAP2(creat, const char __user *, pathname, umode_t, mode); |