diff options
| author | Hannes Reinecke <hare@suse.de> | 2021-04-27 10:30:12 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-05-31 22:48:21 -0400 |
| commit | ced202f7bd78eb6a79c441a8b217e0f3d38bccfc (patch) | |
| tree | a1f7fc246edf2ab038685b64540ce53392b145a6 /drivers/scsi/scsi_lib.c | |
| parent | 7e26e3ea028740f934477ec01ba586ab033c35aa (diff) | |
| download | lwn-ced202f7bd78eb6a79c441a8b217e0f3d38bccfc.tar.gz lwn-ced202f7bd78eb6a79c441a8b217e0f3d38bccfc.zip | |
scsi: core: Stop using DRIVER_ERROR
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>
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index e763d368b892..2cf36ccc6d40 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -211,20 +211,23 @@ int __scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, { struct request *req; struct scsi_request *rq; - int ret = DRIVER_ERROR << 24; + int ret; req = blk_get_request(sdev->request_queue, data_direction == DMA_TO_DEVICE ? REQ_OP_SCSI_OUT : REQ_OP_SCSI_IN, rq_flags & RQF_PM ? BLK_MQ_REQ_PM : 0); if (IS_ERR(req)) - return ret; - rq = scsi_req(req); + return PTR_ERR(req); - if (bufflen && blk_rq_map_kern(sdev->request_queue, req, - buffer, bufflen, GFP_NOIO)) - goto out; + rq = scsi_req(req); + if (bufflen) { + ret = blk_rq_map_kern(sdev->request_queue, req, + buffer, bufflen, GFP_NOIO); + if (ret) + goto out; + } rq->cmd_len = COMMAND_SIZE(cmd[0]); memcpy(rq->cmd, cmd, rq->cmd_len); rq->retries = retries; |