~ljy/RK3588_XEN.git

..	..	@@ -790,6 +790,22 @@
790	790	}
791	791	EXPORT_SYMBOL(compat_ptr_ioctl);
792	792
	793	+/**
	794	+ * compat_ptr_oob_ioctl - generic implementation of .compat_oob_ioctl file operation
	795	+ *
	796	+ * The equivalent of compat_ptr_ioctl, dealing with out-of-band ioctl
	797	+ * calls. Management of this handler is delegated to the code
	798	+ * implementing the out-of-band ioctl() syscall in the companion core.
	799	+ */
	800	+long compat_ptr_oob_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
	801	+{
	802	+ if (!file->f_op->oob_ioctl)
	803	+ return -ENOIOCTLCMD;
	804	+
	805	+ return file->f_op->oob_ioctl(file, cmd, (unsigned long)compat_ptr(arg));
	806	+}
	807	+EXPORT_SYMBOL(compat_ptr_oob_ioctl);
	808	+
793	809	COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
794	810	compat_ulong_t, arg)
795	811	{