diff --git a/sys/dev/sfxge/sfxge_dma.c b/sys/dev/sfxge/sfxge_dma.c
index 4831104e5906..e2bf171e35d8 100644
--- a/sys/dev/sfxge/sfxge_dma.c
+++ b/sys/dev/sfxge/sfxge_dma.c
@@ -164,11 +164,14 @@ sfxge_dma_alloc(struct sfxge_softc *sc, bus_size_t len, efsys_mem_t *esmp)
 
 	/*
 	 * The callback gets error information about the mapping
-	 * and will have set our vaddr to NULL if something went
+	 * and will have set esm_addr to 0 if something went
 	 * wrong.
 	 */
-	if (vaddr == NULL)
+	if (esmp->esm_addr == 0) {
+		bus_dmamem_free(esmp->esm_tag, esmp->esm_base, esmp->esm_map);
+		bus_dma_tag_destroy(esmp->esm_tag);		
 		return (ENOMEM);
+	}
 
 	esmp->esm_base = vaddr;