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From 39a68fd720126dd9c53af4f7fdeeecc0eeacc1ce Mon Sep 17 00:00:00 2001
Message-Id: <39a68fd720126dd9c53af4f7fdeeecc0eeacc1ce.1418766606.git.jen@redhat.com>
In-Reply-To: <6f81b4847eb68ebdf54a8f1a771e19d112d74152.1418766606.git.jen@redhat.com>
References: <6f81b4847eb68ebdf54a8f1a771e19d112d74152.1418766606.git.jen@redhat.com>
From: Fam Zheng <famz@redhat.com>
Date: Thu, 4 Dec 2014 00:05:08 -0600
Subject: [CHANGE 14/31] vmdk: correctly propagate errors
To: rhvirt-patches@redhat.com,
    jen@redhat.com

RH-Author: Fam Zheng <famz@redhat.com>
Message-id: <1417651524-18041-15-git-send-email-famz@redhat.com>
Patchwork-id: 62687
O-Subject: [RHEL-7.1 qemu-kvm PATCH v5 14/30] vmdk: correctly propagate errors
Bugzilla: 1134251
RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
RH-Acked-by: Markus Armbruster <armbru@redhat.com>
RH-Acked-by: Max Reitz <mreitz@redhat.com>

From: Paolo Bonzini <pbonzini@redhat.com>

Now that we can return the "right" errors, use the Error** parameter
to pass them back instead of just printing them.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 89ac8480a8c7f73dd943dcb1313d6bd984f9a870)
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Jeff E. Nelson <jen@redhat.com>
---
 block/vmdk.c               | 11 ++++++-----
 tests/qemu-iotests/059.out |  6 ++----
 2 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/block/vmdk.c b/block/vmdk.c
index 94f7dae..c7b930f 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -572,6 +572,7 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
         error_setg_errno(errp, -ret,
                          "Could not read header from file '%s'",
                          file->filename);
+        return -EINVAL;
     }
     if (header.capacity == 0) {
         uint64_t desc_offset = le64_to_cpu(header.desc_offset);
@@ -641,8 +642,8 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
         char buf[64];
         snprintf(buf, sizeof(buf), "VMDK version %d",
                  le32_to_cpu(header.version));
-        qerror_report(QERR_UNKNOWN_BLOCK_FORMAT_FEATURE,
-                bs->device_name, "vmdk", buf);
+        error_set(errp, QERR_UNKNOWN_BLOCK_FORMAT_FEATURE,
+                  bs->device_name, "vmdk", buf);
         return -ENOTSUP;
     } else if (le32_to_cpu(header.version) == 3 && (flags & BDRV_O_RDWR)) {
         /* VMware KB 2064959 explains that version 3 added support for
@@ -654,7 +655,7 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
     }
 
     if (le32_to_cpu(header.num_gtes_per_gt) > 512) {
-        error_report("L2 table size too big");
+        error_setg(errp, "L2 table size too big");
         return -EINVAL;
     }
 
@@ -670,8 +671,8 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
     }
     if (bdrv_getlength(file) <
             le64_to_cpu(header.grain_offset) * BDRV_SECTOR_SIZE) {
-        error_report("File truncated, expecting at least %lld bytes",
-                le64_to_cpu(header.grain_offset) * BDRV_SECTOR_SIZE);
+        error_setg(errp, "File truncated, expecting at least %lld bytes",
+                   le64_to_cpu(header.grain_offset) * BDRV_SECTOR_SIZE);
         return -EINVAL;
     }
 
diff --git a/tests/qemu-iotests/059.out b/tests/qemu-iotests/059.out
index 0220774..7c9ef90 100644
--- a/tests/qemu-iotests/059.out
+++ b/tests/qemu-iotests/059.out
@@ -7,8 +7,7 @@ no file open, try 'help open'
 === Testing too big L2 table size ===
 
 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
-L2 table size too big
-qemu-io: can't open device TEST_DIR/t.vmdk: Could not open 'TEST_DIR/t.vmdk': Invalid argument
+qemu-io: can't open device TEST_DIR/t.vmdk: L2 table size too big
 no file open, try 'help open'
 === Testing too big L1 table size ===
 
@@ -2045,8 +2044,7 @@ RW 12582912 VMFS "dummy.IMGFMT" 1
 
 === Testing truncated sparse ===
 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=107374182400
-qemu-img: File truncated, expecting at least 13172736 bytes
-qemu-img: Could not open 'TEST_DIR/t.IMGFMT': Could not open 'TEST_DIR/t.IMGFMT': Invalid argument
+qemu-img: Could not open 'TEST_DIR/t.IMGFMT': File truncated, expecting at least 13172736 bytes
 
 === Testing version 3 ===
 image: TEST_DIR/iotest-version3.IMGFMT
-- 
2.1.0