diff --git a/drivers/infiniband/core/cm_msgs.h b/drivers/infiniband/core/cm_msgs.h
index 3d16d614..0a9e2d3f 100644
--- a/drivers/infiniband/core/cm_msgs.h
+++ b/drivers/infiniband/core/cm_msgs.h
@@ -31,7 +31,7 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS THE
  * SOFTWARE.
  */
-#if !defined(CM_MSGS_H)
+#ifndef CM_MSGS_H
 #define CM_MSGS_H
 
 #include <rdma/ib_mad.h>