diff options
| author | Ming Lei | 2022-07-28 15:18:50 -0700 |
|---|---|---|
| committer | Martin K. Petersen | 2022-08-01 19:45:14 -0400 |
| commit | 1a9283782df2c91c7db5656753a2f548c43de6a7 (patch) | |
| tree | 301dd913aa26436ad5699d90aaeca0b4d43fda35 /drivers/scsi/scsi_sysfs.c | |
| parent | 16728aaba62e8b3b170735fdc3d8aa972835c136 (diff) | |
scsi: core: Simplify LLD module reference counting
Swap two statements in scsi_device_put() now that it is guaranteed that
SCSI hosts outlive SCSI devices. Remove the reference counting code from
scsi_sysfs.c that became superfluous because SCSI hosts now outlive SCSI
devices.
Link: https://lore.kernel.org/r/20220728221851.1822295-4-bvanassche@acm.org
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Mike Christie <michael.christie@oracle.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: John Garry <john.garry@huawei.com>
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
[ bvanassche: Extracted this patch from a larger patch ]
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/scsi_sysfs.c')
| -rw-r--r-- | drivers/scsi/scsi_sysfs.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 1bc9c26fe1d4..213ebc88f76a 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -452,9 +452,6 @@ static void scsi_device_dev_release_usercontext(struct work_struct *work) struct scsi_vpd *vpd_pg0 = NULL, *vpd_pg89 = NULL; struct scsi_vpd *vpd_pgb0 = NULL, *vpd_pgb1 = NULL, *vpd_pgb2 = NULL; unsigned long flags; - struct module *mod; - - mod = sdev->host->hostt->module; scsi_dh_release_device(sdev); @@ -521,17 +518,11 @@ static void scsi_device_dev_release_usercontext(struct work_struct *work) if (parent) put_device(parent); - module_put(mod); } static void scsi_device_dev_release(struct device *dev) { struct scsi_device *sdp = to_scsi_device(dev); - - /* Set module pointer as NULL in case of module unloading */ - if (!try_module_get(sdp->host->hostt->module)) - sdp->host->hostt->module = NULL; - execute_in_process_context(scsi_device_dev_release_usercontext, &sdp->ew); } |