HID: hidraw: add compatibility ioctl() for 32-bit applications.

Added the ioctl function to the compat_ioctl pointer in the file_operations
struct. Before this, some ioctls would fail for 32-bit apps on 64-bit systems.

Signed-off-by: Alan Ott <alan@signal11.us>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 68d087f..468e87b 100644 (file)
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -344,6 +344,9 @@ static const struct file_operations hidraw_ops = {
        .open =         hidraw_open,
        .release =      hidraw_release,
        .unlocked_ioctl = hidraw_ioctl,
+#ifdef CONFIG_COMPAT
+       .compat_ioctl   = hidraw_ioctl,
+#endif
        .llseek =       noop_llseek,
 };