usb-storage: fix possible memory leak and missing error message
commitf0bc7fe3b75d2ae4aedb6da6f68ebb87f77d929b
authorGonglei <arei.gonglei@huawei.com>
Fri, 19 Sep 2014 06:48:23 +0000 (19 14:48 +0800)
committerGerd Hoffmann <kraxel@redhat.com>
Tue, 23 Sep 2014 09:41:45 +0000 (23 11:41 +0200)
tree0dd2af0249c63b01ace23715f2a7fc84082b90c4
parent31376776d045c7ee0a1570c139ef30b6cb8f5b01
usb-storage: fix possible memory leak and missing error message

When scsi_bus_legacy_add_drive() return NULL, meanwhile err will
be not NULL, which will casue memory leak and missing error message.

Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
hw/usb/dev-storage.c