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qmp: fill in the image field in BlockDeviceInfo

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The image field in BlockDeviceInfo is supposed to contain an ImageInfo
object. However that is being filled in by bdrv_query_info(), not by
bdrv_block_device_info(), which is where BlockDeviceInfo is actually
created.

Anyone calling bdrv_block_device_info() directly will get a null image
field. As a consequence of this, the HMP command 'info block -n -v'
crashes QEMU.

This patch moves the code that fills in that field from
bdrv_query_info() to bdrv_block_device_info().

Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: 1429271563-3765-1-git-send-email-berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Alberto Garcia 2015-04-17 14:52:43 +03:00 • committed by Kevin Wolf
parent 9419874f70
commit d5a8ee60a0
5 changed files with 35 additions and 26 deletions
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2
include/block/block.h
View file

@ -382,7 +382,7 @@ void bdrv_lock_medium(BlockDriverState *bs, bool locked);
void bdrv_eject(BlockDriverState *bs, bool eject_flag);
const char *bdrv_get_format_name(BlockDriverState *bs);
BlockDriverState *bdrv_find_node(const char *node_name);
BlockDeviceInfoList *bdrv_named_nodes_list(void);
BlockDeviceInfoList *bdrv_named_nodes_list(Error **errp);
BlockDriverState *bdrv_lookup_bs(const char *device,
const char *node_name,
Error **errp);

2
include/block/qapi.h
View file

@ -29,7 +29,7 @@
#include "block/block.h"
#include "block/snapshot.h"
BlockDeviceInfo *bdrv_block_device_info(BlockDriverState *bs);
BlockDeviceInfo *bdrv_block_device_info(BlockDriverState *bs, Error **errp);
int bdrv_query_snapshot_info_list(BlockDriverState *bs,
SnapshotInfoList **p_list,
Error **errp);