This is a note to let you know that I've just added the patch titled
scsi: core: Improve type safety of scsi_rescan_device()
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
scsi-core-improve-type-safety-of-scsi_rescan_device.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 40d723c10314e9132382eed0470564cce942d865
Author: Bart Van Assche <bvanassche@xxxxxxx>
Date: Tue Aug 22 08:30:41 2023 -0700
scsi: core: Improve type safety of scsi_rescan_device()
[ Upstream commit 79519528a180c64a90863db2ce70887de6c49d16 ]
Most callers of scsi_rescan_device() have the scsi_device pointer readily
available. Pass a struct scsi_device pointer to scsi_rescan_device()
instead of a struct device pointer. This change prevents that a pointer to
another struct device would be passed accidentally to scsi_rescan_device().
Remove the scsi_rescan_device() declaration from the scsi_priv.h header
file since it duplicates the declaration in <scsi/scsi_host.h>.
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
Reviewed-by: John Garry <john.g.garry@xxxxxxxxxx>
Cc: Mike Christie <michael.christie@xxxxxxxxxx>
Cc: Ming Lei <ming.lei@xxxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
Link: https://lore.kernel.org/r/20230822153043.4046244-1-bvanassche@xxxxxxx
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Stable-dep-of: 8b4d9469d0b0 ("ata: libata-scsi: Fix delayed scsi_rescan_device() execution")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 8cc8268327f0c..b348f77b91231 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -4678,7 +4678,7 @@ void ata_scsi_dev_rescan(struct work_struct *work)
}
spin_unlock_irqrestore(ap->lock, flags);
- scsi_rescan_device(&(sdev->sdev_gendev));
+ scsi_rescan_device(sdev);
scsi_device_put(sdev);
spin_lock_irqsave(ap->lock, flags);
}
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 3f062e4013ab6..013a9a334972e 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -1451,7 +1451,7 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr)
#endif
break;
}
- scsi_rescan_device(&device->sdev_gendev);
+ scsi_rescan_device(device);
break;
default:
diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c
index 05d3ce9b72dba..c4acf65379d20 100644
--- a/drivers/scsi/mvumi.c
+++ b/drivers/scsi/mvumi.c
@@ -1500,7 +1500,7 @@ static void mvumi_rescan_devices(struct mvumi_hba *mhba, int id)
sdev = scsi_device_lookup(mhba->shost, 0, id, 0);
if (sdev) {
- scsi_rescan_device(&sdev->sdev_gendev);
+ scsi_rescan_device(sdev);
scsi_device_put(sdev);
}
}
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index fb6e9a7a7f58b..d25e1c2472538 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2445,7 +2445,7 @@ static void scsi_evt_emit(struct scsi_device *sdev, struct scsi_event *evt)
envp[idx++] = "SDEV_MEDIA_CHANGE=1";
break;
case SDEV_EVT_INQUIRY_CHANGE_REPORTED:
- scsi_rescan_device(&sdev->sdev_gendev);
+ scsi_rescan_device(sdev);
envp[idx++] = "SDEV_UA=INQUIRY_DATA_HAS_CHANGED";
break;
case SDEV_EVT_CAPACITY_CHANGE_REPORTED:
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index c52de9a973e46..b14545acb40f5 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -132,7 +132,6 @@ extern int scsi_complete_async_scans(void);
extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int,
unsigned int, u64, enum scsi_scan_mode);
extern void scsi_forget_host(struct Scsi_Host *);
-extern void scsi_rescan_device(struct device *);
/* scsi_sysctl.c */
#ifdef CONFIG_SYSCTL
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index d12f2dcb4040a..445989f44d3f2 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1611,9 +1611,9 @@ int scsi_add_device(struct Scsi_Host *host, uint channel,
}
EXPORT_SYMBOL(scsi_add_device);
-void scsi_rescan_device(struct device *dev)
+void scsi_rescan_device(struct scsi_device *sdev)
{
- struct scsi_device *sdev = to_scsi_device(dev);
+ struct device *dev = &sdev->sdev_gendev;
device_lock(dev);
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index cac7c902cf70a..1f531063d6331 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -762,7 +762,7 @@ static ssize_t
store_rescan_field (struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- scsi_rescan_device(dev);
+ scsi_rescan_device(to_scsi_device(dev));
return count;
}
static DEVICE_ATTR(rescan, S_IWUSR, NULL, store_rescan_field);
@@ -855,7 +855,7 @@ store_state_field(struct device *dev, struct device_attribute *attr,
* waiting for pending I/O to finish.
*/
blk_mq_run_hw_queues(sdev->request_queue, true);
- scsi_rescan_device(dev);
+ scsi_rescan_device(sdev);
}
return ret == 0 ? count : -EINVAL;
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index 9f0f69c1ed665..47d487729635c 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -2278,7 +2278,7 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info,
device->advertised_queue_depth = device->queue_depth;
scsi_change_queue_depth(device->sdev, device->advertised_queue_depth);
if (device->rescan) {
- scsi_rescan_device(&device->sdev->sdev_gendev);
+ scsi_rescan_device(device->sdev);
device->rescan = false;
}
}
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 7a1dc5c7c49ee..c2d981d5a2dd5 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -471,7 +471,7 @@ static void storvsc_device_scan(struct work_struct *work)
sdev = scsi_device_lookup(wrk->host, 0, wrk->tgt_id, wrk->lun);
if (!sdev)
goto done;
- scsi_rescan_device(&sdev->sdev_gendev);
+ scsi_rescan_device(sdev);
scsi_device_put(sdev);
done:
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 2a79ab16134b1..3f8c553f3d91e 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -325,7 +325,7 @@ static void virtscsi_handle_param_change(struct virtio_scsi *vscsi,
/* Handle "Parameters changed", "Mode parameters changed", and
"Capacity data has changed". */
if (asc == 0x2a && (ascq == 0x00 || ascq == 0x01 || ascq == 0x09))
- scsi_rescan_device(&sdev->sdev_gendev);
+ scsi_rescan_device(sdev);
scsi_device_put(sdev);
}
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index d27d9fb7174c8..16848def47a1d 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -752,7 +752,7 @@ extern int __must_check scsi_add_host_with_dma(struct Scsi_Host *,
struct device *,
struct device *);
extern void scsi_scan_host(struct Scsi_Host *);
-extern void scsi_rescan_device(struct device *);
+extern void scsi_rescan_device(struct scsi_device *);
extern void scsi_remove_host(struct Scsi_Host *);
extern struct Scsi_Host *scsi_host_get(struct Scsi_Host *);
extern int scsi_host_busy(struct Scsi_Host *shost);
