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path: root/drivers/scsi/scsi_lib.c
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Diffstat (limited to 'drivers/scsi/scsi_lib.c')
-rw-r--r--drivers/scsi/scsi_lib.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 7bc4513bf4e4..b9298a499e19 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -229,8 +229,8 @@ void scsi_queue_insert(struct scsi_cmnd *cmd, int reason)
* @rq_flags: flags for ->rq_flags
* @resid: optional residual length
*
- * returns the req->errors value which is the scsi_cmnd result
- * field.
+ * Returns the scsi_cmnd result field if a command was executed, or a negative
+ * Linux error code if we didn't get that far.
*/
int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
int data_direction, void *buffer, unsigned bufflen,
@@ -281,7 +281,7 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
memcpy(sense, rq->sense, SCSI_SENSE_BUFFERSIZE);
if (sshdr)
scsi_normalize_sense(rq->sense, rq->sense_len, sshdr);
- ret = req->errors;
+ ret = rq->result;
out:
blk_put_request(req);
@@ -797,8 +797,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
/*
* __scsi_error_from_host_byte may have reset the host_byte
*/
- req->errors = cmd->result;
-
+ scsi_req(req)->result = cmd->result;
scsi_req(req)->resid_len = scsi_get_resid(cmd);
if (scsi_bidi_cmnd(cmd)) {
@@ -835,7 +834,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
/*
* Recovered errors need reporting, but they're always treated as
* success, so fiddle the result code here. For passthrough requests
- * we already took a copy of the original into rq->errors which
+ * we already took a copy of the original into sreq->result which
* is what gets returned to the user
*/
if (sense_valid && (sshdr.sense_key == RECOVERED_ERROR)) {
@@ -1281,7 +1280,7 @@ scsi_prep_return(struct request_queue *q, struct request *req, int ret)
switch (ret) {
case BLKPREP_KILL:
case BLKPREP_INVALID:
- req->errors = DID_NO_CONNECT << 16;
+ scsi_req(req)->result = DID_NO_CONNECT << 16;
/* release the command and kill it */
if (req->special) {
struct scsi_cmnd *cmd = req->special;
@@ -1905,7 +1904,7 @@ static int scsi_mq_prep_fn(struct request *req)
static void scsi_mq_done(struct scsi_cmnd *cmd)
{
trace_scsi_dispatch_cmd_done(cmd);
- blk_mq_complete_request(cmd->request, cmd->request->errors);
+ blk_mq_complete_request(cmd->request, 0);
}
static int scsi_queue_rq(struct blk_mq_hw_ctx *hctx,