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authorAl Viro <viro@zeniv.linux.org.uk>2017-07-08 18:40:39 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2017-09-01 00:32:37 +0300
commit4f59c718521a0f00b6589da6b8fcea2dc296026d (patch)
treef1358931362a8434ed4e1df2d72585f85e77f210 /arch/s390
parentcc4a41fe5541a73019a864883297bd5043aa6d98 (diff)
downloadlinux-4f59c718521a0f00b6589da6b8fcea2dc296026d.tar.xz
teach SYSCALL_DEFINE/COMPAT_SYSCALL_DEFINE to handle __bitwise arguments
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/compat.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index b9300f8aee10..07a82bc933a7 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -8,11 +8,12 @@
#include <linux/sched/task_stack.h>
#include <linux/thread_info.h>
-#define __TYPE_IS_PTR(t) (!__builtin_types_compatible_p(typeof(0?(t)0:0ULL), u64))
+#define __TYPE_IS_PTR(t) (!__builtin_types_compatible_p( \
+ typeof(0?(__force t)0:0ULL), u64))
#define __SC_DELOUSE(t,v) ({ \
BUILD_BUG_ON(sizeof(t) > 4 && !__TYPE_IS_PTR(t)); \
- (t)(__TYPE_IS_PTR(t) ? ((v) & 0x7fffffff) : (v)); \
+ (__force t)(__TYPE_IS_PTR(t) ? ((v) & 0x7fffffff) : (v)); \
})
#define PSW32_MASK_PER 0x40000000UL