1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 2eb52b7a71da..32a0e66d2a23 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2773,8 +2773,8 @@ static int cma_init(void)
         int ret;
 
         get_random_bytes(&next_port, sizeof next_port);
-        next_port = (next_port % (sysctl_local_port_range[1] -
-                                  sysctl_local_port_range[0])) +
+        next_port = ((unsigned int) next_port %
+                    (sysctl_local_port_range[1] - sysctl_local_port_range[0])) +
                     sysctl_local_port_range[0];
         cma_wq = create_singlethread_workqueue("rdma_cm");
         if (!cma_wq)