Only a positive return value indicates success. Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> --- drivers/scsi/xen-scsifront.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- 4.7-rc6-xenbus_scanf.orig/drivers/scsi/xen-scsifront.c +++ 4.7-rc6-xenbus_scanf/drivers/scsi/xen-scsifront.c @@ -1000,14 +1000,14 @@ static void scsifront_do_lun_hotplug(str snprintf(str, sizeof(str), "vscsi-devs/%s/state", dir[i]); err = xenbus_scanf(XBT_NIL, dev->otherend, str, "%u", &device_state); - if (XENBUS_EXIST_ERR(err)) + if (err <= 0) continue; /* virtual SCSI device */ snprintf(str, sizeof(str), "vscsi-devs/%s/v-dev", dir[i]); err = xenbus_scanf(XBT_NIL, dev->otherend, str, "%u:%u:%u:%u", &hst, &chn, &tgt, &lun); - if (XENBUS_EXIST_ERR(err)) + if (err != 4) continue; /* -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
