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scsi: core: Stop using DRIVER_ERROR

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Return the actual error code in __scsi_execute() (which, according to the
documentation, should have happened anyway).  And audit all callers to cope
with negative return values from __scsi_execute() and friends.

[mkp: resolve conflict and return bool]

Link: https://lore.kernel.org/r/20210427083046.31620-7-hare@suse.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke
2021-04-27 10:30:12 +02:00
committed by Martin K. Petersen
parent 7e26e3ea02
commit ced202f7bd
14 changed files with 49 additions and 23 deletions
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2
drivers/scsi/virtio_scsi.c
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@@ -355,7 +355,7 @@ static void virtscsi_rescan_hotunplug(struct virtio_scsi *vscsi)
if (result == 0 && inq_result[0] >> 5) {
/* PQ indicates the LUN is not attached */
scsi_remove_device(sdev);
} else if (host_byte(result) == DID_BAD_TARGET) {
} else if (result > 0 && host_byte(result) == DID_BAD_TARGET) {
/*
* If all LUNs of a virtio-scsi device are unplugged
* it will respond with BAD TARGET on any INQUIRY