The current code assumes that there is only one target in device lookup.
Fix this bug. This will alow us to correctly handle hot reomoval of LUNs.
Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
Reviewed-by: Alex Ng <alexng@xxxxxxxxxxxxx>
Tested-by: Vivek Yadav <vyadav@xxxxxxxxxxxxx>
---
V2: Made lun and target_id unsigned 8 bit entities - Hannes Reinecke <hare@xxxxxxx>
drivers/scsi/storvsc_drv.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 622f64a..132b168 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -478,19 +478,18 @@ struct hv_host_device {
struct storvsc_scan_work {
struct work_struct work;
struct Scsi_Host *host;
- uint lun;
+ u8 lun;
+ u8 tgt_id;
};
static void storvsc_device_scan(struct work_struct *work)
{
struct storvsc_scan_work *wrk;
- uint lun;
struct scsi_device *sdev;
wrk = container_of(work, struct storvsc_scan_work, work);
- lun = wrk->lun;
- sdev = scsi_device_lookup(wrk->host, 0, 0, lun);
+ sdev = scsi_device_lookup(wrk->host, 0, wrk->tgt_id, wrk->lun);
if (!sdev)
goto done;
scsi_rescan_device(&sdev->sdev_gendev);
@@ -541,7 +540,7 @@ static void storvsc_remove_lun(struct work_struct *work)
if (!scsi_host_get(wrk->host))
goto done;
- sdev = scsi_device_lookup(wrk->host, 0, 0, wrk->lun);
+ sdev = scsi_device_lookup(wrk->host, 0, wrk->tgt_id, wrk->lun);
if (sdev) {
scsi_remove_device(sdev);
@@ -941,6 +940,7 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb,
wrk->host = host;
wrk->lun = vm_srb->lun;
+ wrk->tgt_id = vm_srb->target_id;
INIT_WORK(&wrk->work, process_err_fn);
schedule_work(&wrk->work);
}
--
1.7.4.1
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