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From 005308f5b469f749980310be141315e8bd46556f Mon Sep 17 00:00:00 2001
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From: Fam Zheng <famz@redhat.com>
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Date: Mon, 15 Feb 2016 09:28:20 +0100
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Subject: [PATCH 07/18] vmdk: Set errp on failures in vmdk_open_vmdk4
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RH-Author: Fam Zheng <famz@redhat.com>
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Message-id: <1455528511-9357-8-git-send-email-famz@redhat.com>
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Patchwork-id: 69173
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O-Subject: [RHEL-7.3 qemu-kvm PATCH 07/18] vmdk: Set errp on failures in vmdk_open_vmdk4
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Bugzilla: 1299250
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RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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RH-Acked-by: Markus Armbruster <armbru@redhat.com>
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BZ: https://bugzilla.redhat.com/show_bug.cgi?id=1299250
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Reported-by: Markus Armbruster <armbru@redhat.com>
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Signed-off-by: Fam Zheng <famz@redhat.com>
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Reviewed-by: Markus Armbruster <armbru@redhat.com>
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Reviewed-by: Don Koch <dkoch@verizon.com>
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Reviewed-by: Max Reitz <mreitz@redhat.com>
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Message-id: 1417649314-13704-7-git-send-email-famz@redhat.com
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit d899d2e248b900c53dd9081bde9f110e05747433)
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Signed-off-by: Fam Zheng <famz@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 block/vmdk.c | 3 +++
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 1 file changed, 3 insertions(+)
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diff --git a/block/vmdk.c b/block/vmdk.c
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index 69d8a6e..1247ea4 100644
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--- a/block/vmdk.c
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+++ b/block/vmdk.c
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@@ -647,6 +647,7 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
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             bs->file->total_sectors * 512 - 1536,
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             &footer, sizeof(footer));
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         if (ret < 0) {
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+            error_setg_errno(errp, -ret, "Failed to read footer");
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             return ret;
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         }
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@@ -658,6 +659,7 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
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             le32_to_cpu(footer.eos_marker.size) != 0  ||
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             le32_to_cpu(footer.eos_marker.type) != MARKER_END_OF_STREAM)
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         {
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+            error_setg(errp, "Invalid footer");
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             return -EINVAL;
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         }
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@@ -688,6 +690,7 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
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     l1_entry_sectors = le32_to_cpu(header.num_gtes_per_gt)
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                         * le64_to_cpu(header.granularity);
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     if (l1_entry_sectors == 0) {
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+        error_setg(errp, "L1 entry size is invalid");
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         return -EINVAL;
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     }
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     l1_size = (le64_to_cpu(header.capacity) + l1_entry_sectors - 1)
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-- 
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1.8.3.1
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