Avoid attaching a hardware handler to a device which is
already scheduled for deletion.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
---
drivers/scsi/device_handler/scsi_dh.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/device_handler/scsi_dh.c b/drivers/scsi/device_handler/scsi_dh.c
index 458521d..520bcf0 100644
--- a/drivers/scsi/device_handler/scsi_dh.c
+++ b/drivers/scsi/device_handler/scsi_dh.c
@@ -190,6 +190,10 @@ store_dh_state(struct device *dev, struct device_attribute *attr,
struct scsi_device_handler *scsi_dh;
int err = -EINVAL;
+ if (sdev->sdev_state == SDEV_CANCEL ||
+ sdev->sdev_state == SDEV_DEL)
+ return -ENODEV;
+
if (!sdev->scsi_dh_data) {
/*
* Attach to a device handler
--
1.6.0.2
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