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authorChristoph Hellwig <hch@lst.de>2017-04-20 17:02:55 +0300
committerJens Axboe <axboe@fb.com>2017-04-20 21:16:10 +0300
commitb7819b9259185dcdcc81eb32182a4dc13d695738 (patch)
tree96d76ffadf2718b65faf6004b734ed6b094f30ae /drivers/ide
parent75a500ef6ecb6266d4d1347fc7eb4b298b566b3b (diff)
downloadlinux-b7819b9259185dcdcc81eb32182a4dc13d695738.tar.xz
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/ide')
-rw-r--r--drivers/ide/ide-atapi.c3
-rw-r--r--drivers/ide/ide-cd.c3
-rw-r--r--drivers/ide/ide-cd_ioctl.c3
-rw-r--r--drivers/ide/ide-devsets.c4
-rw-r--r--drivers/ide/ide-disk.c3
-rw-r--r--drivers/ide/ide-ioctls.c7
-rw-r--r--drivers/ide/ide-park.c3
-rw-r--r--drivers/ide/ide-pm.c3
-rw-r--r--drivers/ide/ide-taskfile.c4
9 files changed, 19 insertions, 14 deletions
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;