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| H A D | ch.c | 66167283 Thu Feb 13 09:32:05 CST 2020 Hannes Reinecke <hare@suse.de> scsi: ch: fixup refcounting imbalance for SCSI devices
The SCSI device is required to be present during ch_probe() and ch_open().
But the SCSI device itself is only checked during ch_open(), so it's anyones
guess if it had been present during ch_probe(). And consequently we can't
reliably detach it during ch_release(), as ch_remove() might have been
called first. So initialize the changer device during ch_probe(), and take
a reference to the SCSI device during both ch_probe() and ch_open().
[mkp: fixed checkpatch warning]
Link: https://lore.kernel.org/r/20200213153207.123357-2-hare@suse.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
66167283 Thu Feb 13 09:32:05 CST 2020 Hannes Reinecke <hare@suse.de> scsi: ch: fixup refcounting imbalance for SCSI devices
The SCSI device is required to be present during ch_probe() and ch_open().
But the SCSI device itself is only checked during ch_open(), so it's anyones
guess if it had been present during ch_probe(). And consequently we can't
reliably detach it during ch_release(), as ch_remove() might have been
called first. So initialize the changer device during ch_probe(), and take
a reference to the SCSI device during both ch_probe() and ch_open().
[mkp: fixed checkpatch warning]
Link: https://lore.kernel.org/r/20200213153207.123357-2-hare@suse.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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