From: Gonglei <arei.gong...@huawei.com> When scsi_bus_legacy_add_drive() return NULL, meanwhile err will be not NULL, which will casue memory leak and missing error message.
Signed-off-by: Gonglei <arei.gong...@huawei.com> --- hw/usb/dev-storage.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c index 5c51ac0..cabd053 100644 --- a/hw/usb/dev-storage.c +++ b/hw/usb/dev-storage.c @@ -599,7 +599,6 @@ static int usb_msd_initfn_storage(USBDevice *dev) { MSDState *s = DO_UPCAST(MSDState, dev, dev); BlockDriverState *bs = s->conf.bs; - SCSIDevice *scsi_dev; Error *err = NULL; if (!bs) { @@ -625,10 +624,12 @@ static int usb_msd_initfn_storage(USBDevice *dev) usb_desc_init(dev); scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev), &usb_msd_scsi_info_storage, NULL); - scsi_dev = scsi_bus_legacy_add_drive(&s->bus, bs, 0, !!s->removable, - s->conf.bootindex, dev->serial, - &err); - if (!scsi_dev) { + scsi_bus_legacy_add_drive(&s->bus, bs, 0, !!s->removable, + s->conf.bootindex, dev->serial, + &err); + if (err) { + error_report("%s", error_get_pretty(err)); + error_free(err); return -1; } s->bus.qbus.allow_hotplug = 0; -- 1.7.12.4