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authorHannes Reinecke <hare@suse.de>2021-04-27 10:30:12 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2021-05-31 22:48:21 -0400
commitced202f7bd78eb6a79c441a8b217e0f3d38bccfc (patch)
treea1f7fc246edf2ab038685b64540ce53392b145a6 /drivers/scsi/scsi_lib.c
parent7e26e3ea028740f934477ec01ba586ab033c35aa (diff)
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.c15
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;