From: Christoph Hellwig <hch@lst.de>
Date: Tue, 8 Mar 2022 06:51:51 +0100
Subject: [PATCH] sd: call sd_zbc_release_disk before releasing the scsi_device
reference
Git-commit: c76c46fa04c42f7d3a494c526ce5f030da36b553
Patch-mainline: v5.18-rc1
References: jsc#PED-1183
sd_zbc_release_disk accesses disk->device, so ensure that actually still has
a valid reference.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20220308055200.735835-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
drivers/scsi/sd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 7479e7cb36b4..7bfebf5b2832 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3672,9 +3672,9 @@ static void scsi_disk_release(struct device *dev)
disk->private_data = NULL;
put_disk(disk);
- put_device(&sdkp->device->sdev_gendev);
sd_zbc_release_disk(sdkp);
+ put_device(&sdkp->device->sdev_gendev);
kfree(sdkp);
}
--
2.35.3