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From 39a68fd720126dd9c53af4f7fdeeecc0eeacc1ce Mon Sep 17 00:00:00 2001
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Message-Id: <39a68fd720126dd9c53af4f7fdeeecc0eeacc1ce.1418766606.git.jen@redhat.com>
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In-Reply-To: <6f81b4847eb68ebdf54a8f1a771e19d112d74152.1418766606.git.jen@redhat.com>
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References: <6f81b4847eb68ebdf54a8f1a771e19d112d74152.1418766606.git.jen@redhat.com>
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From: Fam Zheng <famz@redhat.com>
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Date: Thu, 4 Dec 2014 00:05:08 -0600
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Subject: [CHANGE 14/31] vmdk: correctly propagate errors
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To: rhvirt-patches@redhat.com,
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    jen@redhat.com
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RH-Author: Fam Zheng <famz@redhat.com>
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Message-id: <1417651524-18041-15-git-send-email-famz@redhat.com>
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Patchwork-id: 62687
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O-Subject: [RHEL-7.1 qemu-kvm PATCH v5 14/30] vmdk: correctly propagate errors
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Bugzilla: 1134251
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RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
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RH-Acked-by: Markus Armbruster <armbru@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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Now that we can return the "right" errors, use the Error** parameter
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to pass them back instead of just printing them.
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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 89ac8480a8c7f73dd943dcb1313d6bd984f9a870)
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Signed-off-by: Fam Zheng <famz@redhat.com>
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Signed-off-by: Jeff E. Nelson <jen@redhat.com>
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---
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 block/vmdk.c               | 11 ++++++-----
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 tests/qemu-iotests/059.out |  6 ++----
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 2 files changed, 8 insertions(+), 9 deletions(-)
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diff --git a/block/vmdk.c b/block/vmdk.c
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index 94f7dae..c7b930f 100644
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--- a/block/vmdk.c
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+++ b/block/vmdk.c
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@@ -572,6 +572,7 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
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         error_setg_errno(errp, -ret,
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                          "Could not read header from file '%s'",
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                          file->filename);
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+        return -EINVAL;
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     }
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     if (header.capacity == 0) {
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         uint64_t desc_offset = le64_to_cpu(header.desc_offset);
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@@ -641,8 +642,8 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
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         char buf[64];
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         snprintf(buf, sizeof(buf), "VMDK version %d",
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                  le32_to_cpu(header.version));
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-        qerror_report(QERR_UNKNOWN_BLOCK_FORMAT_FEATURE,
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-                bs->device_name, "vmdk", buf);
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+        error_set(errp, QERR_UNKNOWN_BLOCK_FORMAT_FEATURE,
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+                  bs->device_name, "vmdk", buf);
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         return -ENOTSUP;
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     } else if (le32_to_cpu(header.version) == 3 && (flags & BDRV_O_RDWR)) {
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         /* VMware KB 2064959 explains that version 3 added support for
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@@ -654,7 +655,7 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
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     }
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     if (le32_to_cpu(header.num_gtes_per_gt) > 512) {
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-        error_report("L2 table size too big");
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+        error_setg(errp, "L2 table size too big");
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         return -EINVAL;
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     }
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@@ -670,8 +671,8 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
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     }
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     if (bdrv_getlength(file) <
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             le64_to_cpu(header.grain_offset) * BDRV_SECTOR_SIZE) {
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-        error_report("File truncated, expecting at least %lld bytes",
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-                le64_to_cpu(header.grain_offset) * BDRV_SECTOR_SIZE);
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+        error_setg(errp, "File truncated, expecting at least %lld bytes",
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+                   le64_to_cpu(header.grain_offset) * BDRV_SECTOR_SIZE);
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         return -EINVAL;
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     }
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diff --git a/tests/qemu-iotests/059.out b/tests/qemu-iotests/059.out
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index 0220774..7c9ef90 100644
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--- a/tests/qemu-iotests/059.out
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+++ b/tests/qemu-iotests/059.out
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@@ -7,8 +7,7 @@ no file open, try 'help open'
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 === Testing too big L2 table size ===
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 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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-L2 table size too big
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-qemu-io: can't open device TEST_DIR/t.vmdk: Could not open 'TEST_DIR/t.vmdk': Invalid argument
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+qemu-io: can't open device TEST_DIR/t.vmdk: L2 table size too big
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 no file open, try 'help open'
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 === Testing too big L1 table size ===
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@@ -2045,8 +2044,7 @@ RW 12582912 VMFS "dummy.IMGFMT" 1
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 === Testing truncated sparse ===
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 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=107374182400
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-qemu-img: File truncated, expecting at least 13172736 bytes
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-qemu-img: Could not open 'TEST_DIR/t.IMGFMT': Could not open 'TEST_DIR/t.IMGFMT': Invalid argument
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+qemu-img: Could not open 'TEST_DIR/t.IMGFMT': File truncated, expecting at least 13172736 bytes
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 === Testing version 3 ===
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 image: TEST_DIR/iotest-version3.IMGFMT
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-- 
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2.1.0
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