Input: This patch implements compat_ioctl for joydev.

       I've tested it with a Logitech WingMan Rumblepad on an x86-64
       machine, and on an ia32 machine to make sure I didn't break
       anything.

Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 25 insertions, 8 deletions

diff --git a/include/linux/joystick.h b/include/linux/joystick.h
index b7e0ab622cd7..06b9af77eb7f 100644
--- a/include/linux/joystick.h
+++ b/include/linux/joystick.h
@@ -111,18 +111,35 @@ struct js_corr {
 #define JS_SET_ALL              8
 
 struct JS_DATA_TYPE {
-        int buttons;
-        int x;
-        int y;
+        __s32 buttons;
+        __s32 x;
+        __s32 y;
 };
 
-struct JS_DATA_SAVE_TYPE {
-        int JS_TIMEOUT;
-        int BUSY;
-        long JS_EXPIRETIME;
-        long JS_TIMELIMIT;
+struct JS_DATA_SAVE_TYPE_32 {
+        __s32 JS_TIMEOUT;
+        __s32 BUSY;
+        __s32 JS_EXPIRETIME;
+        __s32 JS_TIMELIMIT;
         struct JS_DATA_TYPE JS_SAVE;
         struct JS_DATA_TYPE JS_CORR;
 };
 
+struct JS_DATA_SAVE_TYPE_64 {
+        __s32 JS_TIMEOUT;
+        __s32 BUSY;
+        __s64 JS_EXPIRETIME;
+        __s64 JS_TIMELIMIT;
+        struct JS_DATA_TYPE JS_SAVE;
+        struct JS_DATA_TYPE JS_CORR;
+};
+
+#if BITS_PER_LONG == 64
+#define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_64
+#elif BITS_PER_LONG == 32
+#define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_32
+#else
+#error Unexpected BITS_PER_LONG
+#endif
+
 #endif /* _LINUX_JOYSTICK_H */