diff options
Diffstat (limited to 'drivers/scsi/scsi_ioctl.c')
| -rw-r--r-- | drivers/scsi/scsi_ioctl.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index 6d9f1b44566d..5d0ec21a7e5f 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -369,6 +369,7 @@ static int scsi_fill_sghdr_rq(struct scsi_device *sdev, struct request *rq, static int scsi_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr, struct bio *bio) { + struct scsi_cmnd *scmd = blk_mq_rq_to_pdu(rq); struct scsi_request *req = scsi_req(rq); int r, ret = 0; @@ -388,10 +389,10 @@ static int scsi_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr, hdr->resid = req->resid_len; hdr->sb_len_wr = 0; - if (req->sense_len && hdr->sbp) { - int len = min((unsigned int) hdr->mx_sb_len, req->sense_len); + if (scmd->sense_len && hdr->sbp) { + int len = min((unsigned int) hdr->mx_sb_len, scmd->sense_len); - if (!copy_to_user(hdr->sbp, req->sense, len)) + if (!copy_to_user(hdr->sbp, scmd->sense_buffer, len)) hdr->sb_len_wr = len; else ret = -EFAULT; @@ -520,7 +521,6 @@ out_put_request: static int sg_scsi_ioctl(struct request_queue *q, fmode_t mode, struct scsi_ioctl_command __user *sic) { - enum { OMAX_SB_LEN = 16 }; /* For backward compatibility */ struct request *rq; struct scsi_request *req; int err; @@ -613,10 +613,10 @@ static int sg_scsi_ioctl(struct request_queue *q, fmode_t mode, err = req->result & 0xff; /* only 8 bit SCSI status */ if (err) { - if (req->sense_len && req->sense) { - bytes = (OMAX_SB_LEN > req->sense_len) ? - req->sense_len : OMAX_SB_LEN; - if (copy_to_user(sic->data, req->sense, bytes)) + if (scmd->sense_len && scmd->sense_buffer) { + /* limit sense len for backward compatibility */ + if (copy_to_user(sic->data, scmd->sense_buffer, + min(scmd->sense_len, 16U))) err = -EFAULT; } } else { |