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qdev: Don't leak string property value on hot unplug

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parse_string() qemu_strdup()s the property value.  It is never freed.
It needs to be freed along with the device.  Otherwise, the value of
scsi-disk property "ver" gets leaked when hot-unplugging the disk, for
instance.

Call new PropertyInfo method free() from qdev_free().  Implement it
for qdev_prop_string.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2010-06-01 20:32:31 +02:00 • committed by Kevin Wolf
parent cc98467327
commit d21357df9a
3 changed files with 13 additions and 0 deletions
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hw/qdev.h
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@ -98,6 +98,7 @@ struct PropertyInfo {
enum PropertyType type;
int (*parse)(DeviceState *dev, Property *prop, const char *str);
int (*print)(DeviceState *dev, Property *prop, char *dest, size_t len);
void (*free)(DeviceState *dev, Property *prop);
};
typedef struct GlobalProperty {