Both callers have a valid CD struture available, so rely on that instead
of getting another reference. Also move the function to avoid a forward
declaration.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
---
drivers/scsi/sr.c | 36 +++++++++++++-----------------------
1 file changed, 13 insertions(+), 23 deletions(-)
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 34be94b62523fa..2b43c0f97442d4 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -86,7 +86,6 @@ static int sr_remove(struct device *);
static blk_status_t sr_init_command(struct scsi_cmnd *SCpnt);
static int sr_done(struct scsi_cmnd *);
static int sr_runtime_suspend(struct device *dev);
-static int sr_block_revalidate_disk(struct gendisk *disk);
static const struct dev_pm_ops sr_pm_ops = {
.runtime_suspend = sr_runtime_suspend,
@@ -518,6 +517,17 @@ static blk_status_t sr_init_command(struct scsi_cmnd *SCpnt)
return ret;
}
+static void sr_revalidate_disk(struct scsi_cd *cd)
+{
+ struct scsi_sense_hdr sshdr;
+
+ /* if the unit is not ready, nothing more to do */
+ if (scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr))
+ return;
+ sr_cd_check(&cd->cdi);
+ get_sectorsize(cd);
+}
+
static int sr_block_open(struct block_device *bdev, fmode_t mode)
{
struct scsi_cd *cd;
@@ -531,7 +541,7 @@ static int sr_block_open(struct block_device *bdev, fmode_t mode)
sdev = cd->device;
scsi_autopm_get_device(sdev);
if (bdev_check_media_change(bdev))
- sr_block_revalidate_disk(bdev->bd_disk);
+ sr_revalidate_disk(cd);
mutex_lock(&cd->lock);
ret = cdrom_open(&cd->cdi, bdev, mode);
@@ -660,26 +670,6 @@ static unsigned int sr_block_check_events(struct gendisk *disk,
return ret;
}
-static int sr_block_revalidate_disk(struct gendisk *disk)
-{
- struct scsi_sense_hdr sshdr;
- struct scsi_cd *cd;
-
- cd = scsi_cd_get(disk);
- if (!cd)
- return -ENXIO;
-
- /* if the unit is not ready, nothing more to do */
- if (scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr))
- goto out;
-
- sr_cd_check(&cd->cdi);
- get_sectorsize(cd);
-out:
- scsi_cd_put(cd);
- return 0;
-}
-
static const struct block_device_operations sr_bdops =
{
.owner = THIS_MODULE,
@@ -803,7 +793,7 @@ static int sr_probe(struct device *dev)
dev_set_drvdata(dev, cd);
disk->flags |= GENHD_FL_REMOVABLE;
- sr_block_revalidate_disk(disk);
+ sr_revalidate_disk(cd);
device_add_disk(&sdev->sdev_gendev, disk, NULL);
sdev_printk(KERN_DEBUG, sdev,
--
2.28.0
