RDMA/cma: Limit the scope of rdma_is_consumer_reject function

The function is local to cma.c, so let's limit its scope.

Link: https://lore.kernel.org/r/20200413132323.930869-1-leon@kernel.org
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/core/cma.c

@@ -91,7 +91,13 @@ const char *__attribute_const__ rdma_reject_msg(struct rdma_cm_id *id,
 }
 EXPORT_SYMBOL(rdma_reject_msg);
 
-bool rdma_is_consumer_reject(struct rdma_cm_id *id, int reason)
+/**
+ * rdma_is_consumer_reject - return true if the consumer rejected the connect
+ *                           request.
+ * @id: Communication identifier that received the REJECT event.
+ * @reason: Value returned in the REJECT event status field.
+ */
+static bool rdma_is_consumer_reject(struct rdma_cm_id *id, int reason)
 {
 	if (rdma_ib_or_roce(id->device, id->port_num))
 		return reason == IB_CM_REJ_CONSUMER_DEFINED;
@@ -102,7 +108,6 @@ bool rdma_is_consumer_reject(struct rdma_cm_id *id, int reason)
 	WARN_ON_ONCE(1);
 	return false;
 }
-EXPORT_SYMBOL(rdma_is_consumer_reject);
 
 const void *rdma_consumer_reject_data(struct rdma_cm_id *id,
 				      struct rdma_cm_event *ev, u8 *data_len)

include/rdma/rdma_cm.h

@@ -389,14 +389,6 @@ __be64 rdma_get_service_id(struct rdma_cm_id *id, struct sockaddr *addr);
  */
 const char *__attribute_const__ rdma_reject_msg(struct rdma_cm_id *id,
 						int reason);
-/**
- * rdma_is_consumer_reject - return true if the consumer rejected the connect
- *                           request.
- * @id: Communication identifier that received the REJECT event.
- * @reason: Value returned in the REJECT event status field.
- */
-bool rdma_is_consumer_reject(struct rdma_cm_id *id, int reason);
-
 /**
  * rdma_consumer_reject_data - return the consumer reject private data and
  *			       length, if any.