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| author | Kevin Wolf <kwolf@redhat.com> | 2017-07-11 14:04:08 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2017-07-18 15:14:36 +0200 |
| commit | 947231ad3b479de82d8f5ec185e2d00f3c96edcd (patch) | |
| tree | aeb085f4cb7bbe0914ba7bd72aa50f83d0a77dd2 /hw/ide | |
| parent | ec18b0a93a0b8f6f9a72bf2461dc7a0930391bfa (diff) | |
| download | qemu-947231ad3b479de82d8f5ec185e2d00f3c96edcd.tar.gz | |
ide: bdrv_attach_dev() for empty CD-ROM
If no drive=... option is passed (for an empty drive), we don't only
lack the BlockBackend normally created by parse_drive(), but we also
need to manually call blk_attach_dev().
IDE does not support hot unplug, but if it did, qdev would take care to
call the matching blk_detach_dev() on unplug.
This fixes at least the bug that such devices didn't show up in
query-block, and probably some more problems.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Diffstat (limited to 'hw/ide')
| -rw-r--r-- | hw/ide/qdev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c index 299e592fa2..cc2f5bd280 100644 --- a/hw/ide/qdev.c +++ b/hw/ide/qdev.c @@ -164,6 +164,7 @@ static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind) IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus); IDEState *s = bus->ifs + dev->unit; Error *err = NULL; + int ret; if (!dev->conf.blk) { if (kind != IDE_CD) { @@ -172,6 +173,8 @@ static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind) } else { /* Anonymous BlockBackend for an empty drive */ dev->conf.blk = blk_new(0, BLK_PERM_ALL); + ret = blk_attach_dev(dev->conf.blk, &dev->qdev); + assert(ret == 0); } } |