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From ee2c4c17b2bf7a0f1b420096460d33d87792ef78 Mon Sep 17 00:00:00 2001
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From: Jeffrey Cody <jcody@redhat.com>
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Date: Tue, 16 Sep 2014 20:11:42 +0200
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Subject: [PATCH 04/20] vdi: say why an image is bad
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Message-id: <3fcc4a3635f7e4e2da9110df47e59d9727327707.1410897407.git.jcody@redhat.com>
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Patchwork-id: 61208
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O-Subject: [PATCH qemu-kvm-rhel RHEL7.1 03/15] vdi: say why an image is bad
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Bugzilla: 1098086
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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From: Paolo Bonzini <pbonzini@redhat.com>
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Instead of just putting it in debugging output, we can now put the
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value in an Error.
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Reviewed-by: Fam Zheng <famz@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit 5b7aa9b56d1bfc79916262f380c3fc7961becb50)
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Conflicts:
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block/vdi.c
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RHEL7 Conflict Notes: Conflict due to different patch order, from
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a CVE commit.
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Signed-off-by: Jeff Cody <jcody@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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block/vdi.c | 25 ++++++++++++++++---------
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1 files changed, 16 insertions(+), 9 deletions(-)
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diff --git a/block/vdi.c b/block/vdi.c
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index 5e2fad5..b095bee 100644
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--- a/block/vdi.c
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+++ b/block/vdi.c
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@@ -412,39 +412,46 @@ static int vdi_open(BlockDriverState *bs, QDict *options, int flags,
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ret = -EMEDIUMTYPE;
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goto fail;
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} else if (header.version != VDI_VERSION_1_1) {
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- logout("unsupported version %u.%u\n",
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- header.version >> 16, header.version & 0xffff);
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+ error_setg(errp, "unsupported VDI image (version %u.%u)",
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+ header.version >> 16, header.version & 0xffff);
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ret = -ENOTSUP;
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goto fail;
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} else if (header.offset_bmap % SECTOR_SIZE != 0) {
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/* We only support block maps which start on a sector boundary. */
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- logout("unsupported block map offset 0x%x B\n", header.offset_bmap);
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+ error_setg(errp, "unsupported VDI image (unaligned block map offset "
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+ "0x%x)", header.offset_bmap);
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ret = -ENOTSUP;
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goto fail;
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} else if (header.offset_data % SECTOR_SIZE != 0) {
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/* We only support data blocks which start on a sector boundary. */
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- logout("unsupported data offset 0x%x B\n", header.offset_data);
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+ error_setg(errp, "unsupported VDI image (unaligned data offset 0x%x)",
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+ header.offset_data);
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ret = -ENOTSUP;
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goto fail;
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} else if (header.sector_size != SECTOR_SIZE) {
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- logout("unsupported sector size %u B\n", header.sector_size);
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+ error_setg(errp, "unsupported VDI image (sector size %u is not %u)",
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+ header.sector_size, SECTOR_SIZE);
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ret = -ENOTSUP;
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goto fail;
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} else if (header.block_size != DEFAULT_CLUSTER_SIZE) {
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- logout("unsupported block size %u B\n", header.block_size);
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+ error_setg(errp, "unsupported VDI image (sector size %u is not %u)",
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+ header.block_size, DEFAULT_CLUSTER_SIZE);
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ret = -ENOTSUP;
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goto fail;
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} else if (header.disk_size >
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(uint64_t)header.blocks_in_image * header.block_size) {
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- logout("unsupported disk size %" PRIu64 " B\n", header.disk_size);
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+ error_setg(errp, "unsupported VDI image (disk size %" PRIu64 ", "
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+ "image bitmap has room for %" PRIu64 ")",
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+ header.disk_size,
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+ (uint64_t)header.blocks_in_image * header.block_size);
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ret = -ENOTSUP;
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goto fail;
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} else if (!uuid_is_null(header.uuid_link)) {
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- logout("link uuid != 0, unsupported\n");
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+ error_setg(errp, "unsupported VDI image (non-NULL link UUID)");
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ret = -ENOTSUP;
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goto fail;
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} else if (!uuid_is_null(header.uuid_parent)) {
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- logout("parent uuid != 0, unsupported\n");
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+ error_setg(errp, "unsupported VDI image (non-NULL parent UUID)");
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ret = -ENOTSUP;
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goto fail;
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} else if (header.blocks_in_image > VDI_BLOCKS_IN_IMAGE_MAX) {
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--
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1.7.1
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