staging: lustre: libcfs: use BIT macro in linux-module.c

Use the proper BIT macro for libcfs_ioctl_is_invalid().
Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6245
Reviewed-on: http://review.whamcloud.com/17643Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lnet/libcfs/linux/linux-module.c

@@ -51,15 +51,15 @@ static inline int libcfs_ioctl_packlen(struct libcfs_ioctl_data *data)
 
 static inline bool libcfs_ioctl_is_invalid(struct libcfs_ioctl_data *data)
 {
-	if (data->ioc_hdr.ioc_len > (1 << 30)) {
+	if (data->ioc_hdr.ioc_len > BIT(30)) {
 		CERROR("LIBCFS ioctl: ioc_len larger than 1<<30\n");
 		return true;
 	}
-	if (data->ioc_inllen1 > (1<<30)) {
+	if (data->ioc_inllen1 > BIT(30)) {
 		CERROR("LIBCFS ioctl: ioc_inllen1 larger than 1<<30\n");
 		return true;
 	}
-	if (data->ioc_inllen2 > (1<<30)) {
+	if (data->ioc_inllen2 > BIT(30)) {
 		CERROR("LIBCFS ioctl: ioc_inllen2 larger than 1<<30\n");
 		return true;
 	}