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block: do not abuse EMEDIUMTYPE

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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>
This commit is contained in:
Paolo Bonzini 2014-02-17 14:44:06 +01:00 committed by Kevin Wolf
parent 89ac8480a8
commit 76abe4071d
9 changed files with 19 additions and 11 deletions
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3
block/bochs.c
View file

@ -129,7 +129,8 @@ static int bochs_open(BlockDriverState *bs, QDict *options, int flags,
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) {

3
block/cow.c
View file

@ -74,7 +74,8 @@ static int cow_open(BlockDriverState *bs, QDict *options, int flags,
}
if (be32_to_cpu(cow_header.magic) != COW_MAGIC) {
ret = -EMEDIUMTYPE;
error_setg(errp, "Image not in COW format");
ret = -EINVAL;
goto fail;
}

3
block/parallels.c
View file

@ -85,7 +85,8 @@ static int parallels_open(BlockDriverState *bs, QDict *options, int flags,
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;
}

3
block/qcow.c
View file

@ -113,7 +113,8 @@ static int qcow_open(BlockDriverState *bs, QDict *options, int flags,
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) {

2
block/qcow2.c
View file

@ -449,7 +449,7 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags,
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) {

3
block/qed.c
View file

@ -391,7 +391,8 @@ static int bdrv_qed_open(BlockDriverState *bs, QDict *options, int flags,
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 */

4
block/vdi.c
View file

@ -395,8 +395,8 @@ static int vdi_open(BlockDriverState *bs, QDict *options, int flags,
}
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",

6
block/vmdk.c
View file

@ -748,7 +748,8 @@ static int vmdk_open_sparse(BlockDriverState *bs,
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 @@ static int vmdk_open_desc_file(BlockDriverState *bs, int flags, char *buf,
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") &&

3
block/vpc.c
View file

@ -190,7 +190,8 @@ static int vpc_open(BlockDriverState *bs, QDict *options, int flags,
goto fail;
}
if (strncmp(footer->creator, "conectix", 8)) {
ret = -EMEDIUMTYPE;
error_setg(errp, "invalid VPC image");
ret = -EINVAL;
goto fail;
}
disk_type = VHD_FIXED;