diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cdrom/cdrom.c | 16 | ||||
| -rw-r--r-- | drivers/scsi/device_handler/scsi_dh_hp_sw.c | 12 |
2 files changed, 18 insertions, 10 deletions
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index d16b02423d6..7d2e91cccb1 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -2081,10 +2081,6 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf, if (!q) return -ENXIO; - rq = blk_get_request(q, READ, GFP_KERNEL); - if (!rq) - return -ENOMEM; - cdi->last_sense = 0; while (nframes) { @@ -2096,9 +2092,17 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf, len = nr * CD_FRAMESIZE_RAW; + rq = blk_get_request(q, READ, GFP_KERNEL); + if (!rq) { + ret = -ENOMEM; + break; + } + ret = blk_rq_map_user(q, rq, NULL, ubuf, len, GFP_KERNEL); - if (ret) + if (ret) { + blk_put_request(rq); break; + } rq->cmd[0] = GPCMD_READ_CD; rq->cmd[1] = 1 << 2; @@ -2124,6 +2128,7 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf, if (blk_rq_unmap_user(bio)) ret = -EFAULT; + blk_put_request(rq); if (ret) break; @@ -2133,7 +2138,6 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf, ubuf += len; } - blk_put_request(rq); return ret; } diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c index 9aec4ca64e5..f7da7530875 100644 --- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c +++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c @@ -107,6 +107,7 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h) struct request *req; int ret; +retry: req = blk_get_request(sdev->request_queue, WRITE, GFP_NOIO); if (!req) return SCSI_DH_RES_TEMP_UNAVAIL; @@ -121,7 +122,6 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h) memset(req->sense, 0, SCSI_SENSE_BUFFERSIZE); req->sense_len = 0; -retry: ret = blk_execute_rq(req->q, NULL, req, 1); if (ret == -EIO) { if (req->sense_len > 0) { @@ -136,8 +136,10 @@ retry: h->path_state = HP_SW_PATH_ACTIVE; ret = SCSI_DH_OK; } - if (ret == SCSI_DH_IMM_RETRY) + if (ret == SCSI_DH_IMM_RETRY) { + blk_put_request(req); goto retry; + } if (ret == SCSI_DH_DEV_OFFLINED) { h->path_state = HP_SW_PATH_PASSIVE; ret = SCSI_DH_OK; @@ -200,6 +202,7 @@ static int hp_sw_start_stop(struct scsi_device *sdev, struct hp_sw_dh_data *h) struct request *req; int ret, retry; +retry: req = blk_get_request(sdev->request_queue, WRITE, GFP_NOIO); if (!req) return SCSI_DH_RES_TEMP_UNAVAIL; @@ -216,7 +219,6 @@ static int hp_sw_start_stop(struct scsi_device *sdev, struct hp_sw_dh_data *h) req->sense_len = 0; retry = h->retries; -retry: ret = blk_execute_rq(req->q, NULL, req, 1); if (ret == -EIO) { if (req->sense_len > 0) { @@ -231,8 +233,10 @@ retry: ret = SCSI_DH_OK; if (ret == SCSI_DH_RETRY) { - if (--retry) + if (--retry) { + blk_put_request(req); goto retry; + } ret = SCSI_DH_IO; } |