block: do not abuse EMEDIUMTYPE
Returning "Wrong medium type" for an image that does not have a valid
header is a bit weird. Improve the error by mentioning what format
was trying to open it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block/bochs.c b/block/bochs.c
index 51d9a90..4d6403f 100644
--- a/block/bochs.c
+++ b/block/bochs.c
@@ -129,7 +129,8 @@
strcmp(bochs.subtype, GROWING_TYPE) ||
((le32_to_cpu(bochs.version) != HEADER_VERSION) &&
(le32_to_cpu(bochs.version) != HEADER_V1))) {
- return -EMEDIUMTYPE;
+ error_setg(errp, "Image not in Bochs format");
+ return -EINVAL;
}
if (le32_to_cpu(bochs.version) == HEADER_V1) {
diff --git a/block/cow.c b/block/cow.c
index 9e4f624..30deb88 100644
--- a/block/cow.c
+++ b/block/cow.c
@@ -74,7 +74,8 @@
}
if (be32_to_cpu(cow_header.magic) != COW_MAGIC) {
- ret = -EMEDIUMTYPE;
+ error_setg(errp, "Image not in COW format");
+ ret = -EINVAL;
goto fail;
}
diff --git a/block/parallels.c b/block/parallels.c
index 2121e43..3f588f5 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -85,7 +85,8 @@
if (memcmp(ph.magic, HEADER_MAGIC, 16) ||
(le32_to_cpu(ph.version) != HEADER_VERSION)) {
- ret = -EMEDIUMTYPE;
+ error_setg(errp, "Image not in Parallels format");
+ ret = -EINVAL;
goto fail;
}
diff --git a/block/qcow.c b/block/qcow.c
index ef8920b..1e128be 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -113,7 +113,8 @@
be64_to_cpus(&header.l1_table_offset);
if (header.magic != QCOW_MAGIC) {
- ret = -EMEDIUMTYPE;
+ error_setg(errp, "Image not in qcow format");
+ ret = -EINVAL;
goto fail;
}
if (header.version != QCOW_VERSION) {
diff --git a/block/qcow2.c b/block/qcow2.c
index 9dfd908..cfe80be 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -449,7 +449,7 @@
if (header.magic != QCOW_MAGIC) {
error_setg(errp, "Image is not in qcow2 format");
- ret = -EMEDIUMTYPE;
+ ret = -EINVAL;
goto fail;
}
if (header.version < 2 || header.version > 3) {
diff --git a/block/qed.c b/block/qed.c
index 968028e..8802ad3 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -391,7 +391,8 @@
qed_header_le_to_cpu(&le_header, &s->header);
if (s->header.magic != QED_MAGIC) {
- return -EMEDIUMTYPE;
+ error_setg(errp, "Image not in QED format");
+ return -EINVAL;
}
if (s->header.features & ~QED_FEATURE_MASK) {
/* image uses unsupported feature bits */
diff --git a/block/vdi.c b/block/vdi.c
index 2d7490f..f3c6acf 100644
--- a/block/vdi.c
+++ b/block/vdi.c
@@ -395,8 +395,8 @@
}
if (header.signature != VDI_SIGNATURE) {
- logout("bad vdi signature %08x\n", header.signature);
- ret = -EMEDIUMTYPE;
+ error_setg(errp, "Image not in VDI format (bad signature %08x)", header.signature);
+ ret = -EINVAL;
goto fail;
} else if (header.version != VDI_VERSION_1_1) {
logout("unsupported version %u.%u\n",
diff --git a/block/vmdk.c b/block/vmdk.c
index 9c3711c..83839f9 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -748,7 +748,8 @@
return vmdk_open_vmdk4(bs, file, flags, errp);
break;
default:
- return -EMEDIUMTYPE;
+ error_setg(errp, "Image not in VMDK format");
+ return -EINVAL;
break;
}
}
@@ -862,7 +863,8 @@
BDRVVmdkState *s = bs->opaque;
if (vmdk_parse_description(buf, "createType", ct, sizeof(ct))) {
- ret = -EMEDIUMTYPE;
+ error_setg(errp, "invalid VMDK image descriptor");
+ ret = -EINVAL;
goto exit;
}
if (strcmp(ct, "monolithicFlat") &&
diff --git a/block/vpc.c b/block/vpc.c
index 1d326cb..82bf248 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -190,7 +190,8 @@
goto fail;
}
if (strncmp(footer->creator, "conectix", 8)) {
- ret = -EMEDIUMTYPE;
+ error_setg(errp, "invalid VPC image");
+ ret = -EINVAL;
goto fail;
}
disk_type = VHD_FIXED;
