scsi: Revert "scsi: core: Do not increase scsi_device's iorequest_cnt if dispatch failed"

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The "atomic_inc(&cmd->device->iorequest_cnt)" in scsi_queue_rq() would
cause kernel panic because cmd->device may be freed after returning from
scsi_dispatch_cmd().

This reverts commit cfee29ffb4.

Signed-off-by: Wenchao Hao <haowenchao2@huawei.com>
Reported-by: Ming Lei <ming.lei@redhat.com>
Closes: https://lore.kernel.org/r/ZF+zB+bB7iqe0wGd@ovpn-8-17.pek2.redhat.com
Link: https://lore.kernel.org/r/20230515070156.1790181-2-haowenchao2@huawei.com
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

...

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Wenchao Hao 2023-05-15 15:01:55 +08:00 • committed by Martin K. Petersen

parent 4e81a6cba5

commit 6ca9818d16

1 changed files with 2 additions and 1 deletions

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drivers/scsi/scsi_lib.c

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