shost_for_each_device(sdev, shost) \
for ((sdev) = __scsi_iterate_devices((shost), NULL); \
(sdev); \
(sdev) = __scsi_iterate_devices((shost), (sdev)))
When terminating shost_for_each_device() iteration with break or return,
scsi_device_put() should be used to prevent stale scsi device references
from being left behind.
Link: https://lore.kernel.org/r/20200518074420.39275-1-yebin10@huawei.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Ye Bin <yebin10@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
sdev_printk(KERN_INFO, sdev,
"%s: skip START_UNIT, past eh deadline\n",
current->comm));
+ scsi_device_put(sdev);
break;
}
stu_scmd = NULL;
sdev_printk(KERN_INFO, sdev,
"%s: skip BDR, past eh deadline\n",
current->comm));
+ scsi_device_put(sdev);
break;
}
bdr_scmd = NULL;
shost_for_each_device(sdev, shost) {
ret = scsi_internal_device_unblock(sdev, new_state);
- if (ret)
+ if (ret) {
+ scsi_device_put(sdev);
break;
+ }
}
return ret;
}