Index: if_em.c
===================================================================
--- if_em.c	(revision 284591)
+++ if_em.c	(working copy)
@@ -2027,9 +2027,6 @@
 		/* Try it again, but only once */
 		remap = 0;
 		goto retry;
-	} else if (error == ENOMEM) {
-		adapter->no_tx_dma_setup++;
-		return (error);
 	} else if (error != 0) {
 		adapter->no_tx_dma_setup++;
 		m_freem(*m_headp);
Index: if_igb.c
===================================================================
--- if_igb.c	(revision 284591)
+++ if_igb.c	(working copy)
@@ -1905,9 +1905,6 @@
 				goto retry;
 			} else
 				return (error);
-		case ENOMEM:
-			txr->no_tx_dma_setup++;
-			return (error);
 		default:
 			txr->no_tx_dma_setup++;
 			m_freem(*m_headp);
Index: if_lem.c
===================================================================
--- if_lem.c	(revision 284591)
+++ if_lem.c	(working copy)
@@ -1693,6 +1693,8 @@
 		}
 	} else if (error != 0) {
 		adapter->no_tx_dma_setup++;
+		m_freem(*m_headp);
+		*m_headp = NULL;
 		return (error);
 	}