IB/ehca: Move ehca2ib_return_code() out of line

ehca2ib_return_code() is not used in any fast path, and making it
non-inline saves ~1.5K of code.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index ec01451..bb104b7 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -130,6 +130,23 @@
 }
 #endif
 
+int ehca2ib_return_code(u64 ehca_rc)
+{
+	switch (ehca_rc) {
+	case H_SUCCESS:
+		return 0;
+	case H_RESOURCE:             /* Resource in use */
+	case H_BUSY:
+		return -EBUSY;
+	case H_NOT_ENOUGH_RESOURCES: /* insufficient resources */
+	case H_CONSTRAINED:          /* resource constraint */
+	case H_NO_MEM:
+		return -ENOMEM;
+	default:
+		return -EINVAL;
+	}
+}
+
 static int ehca_create_slab_caches(void)
 {
 	int ret;