IB/iser: Make needlessly global iser_alloc_rx_descriptors() static

Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index 0b9ef07..95a08a8 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -170,7 +170,7 @@
 }
 
 
-int iser_alloc_rx_descriptors(struct iser_conn *ib_conn)
+static int iser_alloc_rx_descriptors(struct iser_conn *ib_conn)
 {
 	int i, j;
 	u64 dma_addr;