Commit 6bc8d2a0 authored Aug 24, 2011 by Hannes Reinecke Committed by James Bottomley Aug 30, 2011

[SCSI] scsi_dh: Check for sdev state in store_dh_state()



Avoid attaching a hardware handler to a device which is
already scheduled for deletion.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

parent 46ccf6b5

drivers/scsi/device_handler/scsi_dh.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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