Standardize on EFBIG in bus_dmamap_load* if caller is too greedy; I had

done this 4.5 years ago already but regressions happened; reminded by
a similar commit in NetBSD (from mrg@); ok damien@ deraadt@ jason@

1 files changed, 9 insertions, 9 deletions

diff --git a/sys/arch/sparc64/dev/iommu.c b/sys/arch/sparc64/dev/iommu.c
index 8e4e735e30d..8e78f79b043 100644
--- a/sys/arch/sparc64/dev/iommu.c
+++ b/sys/arch/sparc64/dev/iommu.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: iommu.c,v 1.42 2006/08/15 20:55:57 miod Exp $	*/
+/*	$OpenBSD: iommu.c,v 1.43 2006/09/01 20:07:57 miod Exp $	*/
 /*	$NetBSD: iommu.c,v 1.47 2002/02/08 20:03:45 eeh Exp $	*/
 
 /*
@@ -699,7 +699,7 @@ iommu_dvmamap_load(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map,
 			if (pmap_extract(pmap, a, &pa) == FALSE) {
 				printf("iomap pmap error addr 0x%llx\n", a);
 				iommu_iomap_clear_pages(ims);
-				return (E2BIG);
+				return (EFBIG);
 			}
 
 			err = iommu_iomap_insert_page(ims, pa);
@@ -710,7 +710,7 @@ iommu_dvmamap_load(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map,
 				    err, a, pa, buf, buflen, buflen);
 				iommu_dvmamap_print_map(t, is, map);
 				iommu_iomap_clear_pages(ims);
-				return (E2BIG);
+				return (EFBIG);
 			}
 		}
 	}
@@ -761,7 +761,7 @@ iommu_dvmamap_load(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map,
 #endif
 
 	if (iommu_iomap_load_map(is, ims, dvmaddr, flags))
-		return (E2BIG);
+		return (EFBIG);
 
 	{ /* Scope */
 		bus_addr_t a, aend;
@@ -779,7 +779,7 @@ iommu_dvmamap_load(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map,
 			if (pmap_extract(pmap, a, &pa) == FALSE) {
 				printf("iomap pmap error addr 0x%llx\n", a);
 				iommu_iomap_clear_pages(ims);
-				return (E2BIG);
+				return (EFBIG);
 			}
 
 			pgstart = pa | (MAX(a, addr) & PAGE_MASK);
@@ -895,7 +895,7 @@ iommu_dvmamap_load_raw(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map,
 				    "pa 0x%lx\n", err, VM_PAGE_TO_PHYS(m));
 				iommu_dvmamap_print_map(t, is, map);
 				iommu_iomap_clear_pages(ims);
-				return (E2BIG);
+				return (EFBIG);
 			}
 		}
 	} else {
@@ -918,7 +918,7 @@ iommu_dvmamap_load_raw(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map,
 					    "pa 0x%llx\n", err, a);
 					iommu_dvmamap_print_map(t, is, map);
 					iommu_iomap_clear_pages(ims);
-					return (E2BIG);
+					return (EFBIG);
 				}
 			}
 
@@ -974,7 +974,7 @@ iommu_dvmamap_load_raw(bus_dma_tag_t t, bus_dma_tag_t t0, bus_dmamap_t map,
 #endif
 
 	if (iommu_iomap_load_map(is, ims, dvmaddr, flags))
-		return (E2BIG);
+		return (EFBIG);
 
 	if (segs[0]._ds_mlist)
 		err = iommu_dvmamap_load_mlist(t, is, map, segs[0]._ds_mlist,
@@ -1135,7 +1135,7 @@ iommu_dvmamap_append_range(bus_dma_tag_t t, bus_dmamap_t map, paddr_t pa,
 				printf("append range, out of segments\n");
 				iommu_dvmamap_print_map(t, NULL, map);
 				map->dm_nsegs = 0;
-				return (E2BIG);
+				return (EFBIG);
 			}
 		}
 	}