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scsi: core: Only put parent device if host state differs from SHOST_CREATED

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commit 1e0d4e6225 upstream.

get_device(shost->shost_gendev.parent) is called after host state has
switched to SHOST_RUNNING. scsi_host_dev_release() shouldn't release the
parent device if host state is still SHOST_CREATED.

Link: https://lore.kernel.org/r/20210602133029.2864069-5-ming.lei@redhat.com
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Hannes Reinecke <hare@suse.de>
Tested-by: John Garry <john.garry@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ming Lei 2021-06-02 21:30:29 +08:00 committed by Greg Kroah-Hartman
parent c5711c21f9
commit 07cc88bc48
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/hosts.c
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@ -355,7 +355,7 @@ static void scsi_host_dev_release(struct device *dev)
ida_simple_remove(&host_index_ida, shost->host_no);
if (parent)
if (shost->shost_state != SHOST_CREATED)
put_device(parent);
kfree(shost);
}