diff options
| author | Luis Chamberlain <mcgrof@kernel.org> | 2021-10-15 16:30:21 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-10-18 22:51:34 -0400 |
| commit | e9d658c2175b95a8f091b12ddefb271683aeacd9 (patch) | |
| tree | e3e72f60c2db138780eacf74837e349ade68ddd4 /drivers/scsi/sr.c | |
| parent | 2a7a891f4c406822801ecd676b076c64de072c9e (diff) | |
scsi: sr: Add error handling support for add_disk()
We never checked for errors on add_disk() as this function returned
void. Now that this is fixed, use the shiny new error handling.
Just put the cdrom kref and have the unwinding be done by
sr_kref_release().
Link: https://lore.kernel.org/r/20211015233028.2167651-3-mcgrof@kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/sr.c')
| -rw-r--r-- | drivers/scsi/sr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 8b17b35283aa..d769057b25a0 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -727,7 +727,12 @@ static int sr_probe(struct device *dev) dev_set_drvdata(dev, cd); disk->flags |= GENHD_FL_REMOVABLE; sr_revalidate_disk(cd); - device_add_disk(&sdev->sdev_gendev, disk, NULL); + + error = device_add_disk(&sdev->sdev_gendev, disk, NULL); + if (error) { + kref_put(&cd->kref, sr_kref_release); + goto fail; + } sdev_printk(KERN_DEBUG, sdev, "Attached scsi CD-ROM %s\n", cd->cdi.name); |