diff options
author | Christoph Hellwig <hch@lst.de> | 2017-04-20 16:02:55 +0200 |
---|---|---|
committer | Jens Axboe <axboe@fb.com> | 2017-04-20 12:16:10 -0600 |
commit | b7819b9259185dcdcc81eb32182a4dc13d695738 (patch) | |
tree | 96d76ffadf2718b65faf6004b734ed6b094f30ae /drivers | |
parent | 75a500ef6ecb6266d4d1347fc7eb4b298b566b3b (diff) | |
download | linux-stable-b7819b9259185dcdcc81eb32182a4dc13d695738.tar.gz linux-stable-b7819b9259185dcdcc81eb32182a4dc13d695738.tar.bz2 linux-stable-b7819b9259185dcdcc81eb32182a4dc13d695738.zip |
block: remove the blk_execute_rq return value
The function only returns -EIO if rq->errors is non-zero, which is not
very useful and lets a large number of callers ignore the return value.
Just let the callers figure out their error themselves.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/block/virtio_blk.c | 3 | ||||
-rw-r--r-- | drivers/cdrom/cdrom.c | 3 | ||||
-rw-r--r-- | drivers/ide/ide-atapi.c | 3 | ||||
-rw-r--r-- | drivers/ide/ide-cd.c | 3 | ||||
-rw-r--r-- | drivers/ide/ide-cd_ioctl.c | 3 | ||||
-rw-r--r-- | drivers/ide/ide-devsets.c | 4 | ||||
-rw-r--r-- | drivers/ide/ide-disk.c | 3 | ||||
-rw-r--r-- | drivers/ide/ide-ioctls.c | 7 | ||||
-rw-r--r-- | drivers/ide/ide-park.c | 3 | ||||
-rw-r--r-- | drivers/ide/ide-pm.c | 3 | ||||
-rw-r--r-- | drivers/ide/ide-taskfile.c | 4 | ||||
-rw-r--r-- | drivers/scsi/osd/osd_initiator.c | 5 |
12 files changed, 27 insertions, 17 deletions
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 2d8290169271..eaf99022bdc6 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -310,7 +310,8 @@ static int virtblk_get_id(struct gendisk *disk, char *id_str) if (err) goto out; - err = blk_execute_rq(vblk->disk->queue, vblk->disk, req, false); + blk_execute_rq(vblk->disk->queue, vblk->disk, req, false); + err = req->errors ? -EIO : 0; out: blk_put_request(req); return err; diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index 87739649eac2..308501730ab3 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -2218,7 +2218,8 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf, rq->timeout = 60 * HZ; bio = rq->bio; - if (blk_execute_rq(q, cdi->disk, rq, 0)) { + blk_execute_rq(q, cdi->disk, rq, 0); + if (rq->errors) { struct request_sense *s = req->sense; ret = -EIO; cdi->last_sense = s->sense_key; diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c index feb30061123b..1524797e1776 100644 --- a/drivers/ide/ide-atapi.c +++ b/drivers/ide/ide-atapi.c @@ -107,7 +107,8 @@ int ide_queue_pc_tail(ide_drive_t *drive, struct gendisk *disk, memcpy(scsi_req(rq)->cmd, pc->c, 12); if (drive->media == ide_tape) scsi_req(rq)->cmd[13] = REQ_IDETAPE_PC1; - error = blk_execute_rq(drive->queue, disk, rq, 0); + blk_execute_rq(drive->queue, disk, rq, 0); + error = rq->errors ? -EIO : 0; put_req: blk_put_request(rq); return error; diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 74f1b7dc03f7..95c40afa9120 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -452,7 +452,8 @@ int ide_cd_queue_pc(ide_drive_t *drive, const unsigned char *cmd, } } - error = blk_execute_rq(drive->queue, info->disk, rq, 0); + blk_execute_rq(drive->queue, info->disk, rq, 0); + error = rq->errors ? -EIO : 0; if (buffer) *bufflen = scsi_req(rq)->resid_len; diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c index 9fcefbc8425e..f1ab726bd430 100644 --- a/drivers/ide/ide-cd_ioctl.c +++ b/drivers/ide/ide-cd_ioctl.c @@ -307,7 +307,8 @@ int ide_cdrom_reset(struct cdrom_device_info *cdi) scsi_req_init(rq); ide_req(rq)->type = ATA_PRIV_MISC; rq->rq_flags = RQF_QUIET; - ret = blk_execute_rq(drive->queue, cd->disk, rq, 0); + blk_execute_rq(drive->queue, cd->disk, rq, 0); + ret = rq->errors ? -EIO : 0; blk_put_request(rq); /* * A reset will unlock the door. If it was previously locked, diff --git a/drivers/ide/ide-devsets.c b/drivers/ide/ide-devsets.c index a45dda5386e4..eea6a7cb80b5 100644 --- a/drivers/ide/ide-devsets.c +++ b/drivers/ide/ide-devsets.c @@ -173,8 +173,8 @@ int ide_devset_execute(ide_drive_t *drive, const struct ide_devset *setting, *(int *)&scsi_req(rq)->cmd[1] = arg; rq->special = setting->set; - if (blk_execute_rq(q, NULL, rq, 0)) - ret = rq->errors; + blk_execute_rq(q, NULL, rq, 0); + ret = rq->errors; blk_put_request(rq); return ret; diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 186159715b71..7c06237f3479 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -470,7 +470,6 @@ ide_devset_get(multcount, mult_count); static int set_multcount(ide_drive_t *drive, int arg) { struct request *rq; - int error; if (arg < 0 || arg > (drive->id[ATA_ID_MAX_MULTSECT] & 0xff)) return -EINVAL; @@ -484,7 +483,7 @@ static int set_multcount(ide_drive_t *drive, int arg) drive->mult_req = arg; drive->special_flags |= IDE_SFLAG_SET_MULTMODE; - error = blk_execute_rq(drive->queue, NULL, rq, 0); + blk_execute_rq(drive->queue, NULL, rq, 0); blk_put_request(rq); return (drive->mult_count == arg) ? 0 : -EIO; diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c index 248a3e0ceb46..3e96e531b367 100644 --- a/drivers/ide/ide-ioctls.c +++ b/drivers/ide/ide-ioctls.c @@ -128,7 +128,8 @@ static int ide_cmd_ioctl(ide_drive_t *drive, unsigned long arg) rq = blk_get_request(drive->queue, REQ_OP_DRV_IN, __GFP_RECLAIM); scsi_req_init(rq); ide_req(rq)->type = ATA_PRIV_TASKFILE; - err = blk_execute_rq(drive->queue, NULL, rq, 0); + blk_execute_rq(drive->queue, NULL, rq, 0); + err = rq->errors ? -EIO : 0; blk_put_request(rq); return err; @@ -227,8 +228,8 @@ static int generic_drive_reset(ide_drive_t *drive) ide_req(rq)->type = ATA_PRIV_MISC; scsi_req(rq)->cmd_len = 1; scsi_req(rq)->cmd[0] = REQ_DRIVE_RESET; - if (blk_execute_rq(drive->queue, NULL, rq, 1)) - ret = rq->errors; + blk_execute_rq(drive->queue, NULL, rq, 1); + ret = rq->errors; blk_put_request(rq); return ret; } diff --git a/drivers/ide/ide-park.c b/drivers/ide/ide-park.c index 101aed9a61ca..b4f577016f5a 100644 --- a/drivers/ide/ide-park.c +++ b/drivers/ide/ide-park.c @@ -37,7 +37,8 @@ static void issue_park_cmd(ide_drive_t *drive, unsigned long timeout) scsi_req(rq)->cmd_len = 1; ide_req(rq)->type = ATA_PRIV_MISC; rq->special = &timeout; - rc = blk_execute_rq(q, NULL, rq, 1); + blk_execute_rq(q, NULL, rq, 1); + rc = rq->errors ? -EIO : 0; blk_put_request(rq); if (rc) goto out; diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c index ec951be4b0c8..bf513f886f3c 100644 --- a/drivers/ide/ide-pm.c +++ b/drivers/ide/ide-pm.c @@ -27,7 +27,8 @@ int generic_ide_suspend(struct device *dev, pm_message_t mesg) mesg.event = PM_EVENT_FREEZE; rqpm.pm_state = mesg.event; - ret = blk_execute_rq(drive->queue, NULL, rq, 0); + blk_execute_rq(drive->queue, NULL, rq, 0); + ret = rq->errors ? -EIO : 0; blk_put_request(rq); if (ret == 0 && ide_port_acpi(hwif)) { diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index 4c0007cb74e3..78924c7c9478 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -452,8 +452,8 @@ int ide_raw_taskfile(ide_drive_t *drive, struct ide_cmd *cmd, u8 *buf, rq->special = cmd; cmd->rq = rq; - error = blk_execute_rq(drive->queue, NULL, rq, 0); - + blk_execute_rq(drive->queue, NULL, rq, 0); + error = rq->errors ? -EIO : 0; put_req: blk_put_request(rq); return error; diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index 9d0727b2bdec..5eeab7047d1e 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -489,7 +489,10 @@ static void _set_error_resid(struct osd_request *or, struct request *req, int osd_execute_request(struct osd_request *or) { - int error = blk_execute_rq(or->request->q, NULL, or->request, 0); + int error; + + blk_execute_rq(or->request->q, NULL, or->request, 0); + error = or->request->errors ? -EIO : 0; _set_error_resid(or, or->request, error); return error; |