From ceff3e1f01ee8c0d77de7e3750e7297c3af7e2ec Mon Sep 17 00:00:00 2001 From: Mao Zhongyi Date: Wed, 22 Nov 2017 11:08:45 +0800 Subject: [PATCH] hw/block: Use errp directly rather than local_err [Drop virtio_blk_data_plane_create() change that misinterprets return value when the virtio transport does not support dataplane. --Stefan] Cc: John Snow Cc: Kevin Wolf Cc: Max Reitz Cc: Keith Busch Cc: Stefan Hajnoczi Cc: "Michael S. Tsirkin" Cc: Paolo Bonzini Cc: Gerd Hoffmann Cc: Markus Armbruster Signed-off-by: Mao Zhongyi Reviewed-by: Stefan Hajnoczi Message-id: e77848d3735ba590f23ffbf8094379c646c33d79.1511317952.git.maozy.fnst@cn.fujitsu.com Signed-off-by: Stefan Hajnoczi --- hw/block/fdc.c | 17 ++++++----------- hw/block/nvme.c | 7 ++----- hw/block/virtio-blk.c | 13 +++++-------- hw/ide/qdev.c | 12 ++++-------- hw/scsi/scsi-disk.c | 13 ++++--------- hw/usb/dev-storage.c | 9 +++------ 6 files changed, 24 insertions(+), 47 deletions(-) diff --git a/hw/block/fdc.c b/hw/block/fdc.c index 67f78ac702..7b7dd41296 100644 --- a/hw/block/fdc.c +++ b/hw/block/fdc.c @@ -473,16 +473,13 @@ static void fd_revalidate(FDrive *drv) static void fd_change_cb(void *opaque, bool load, Error **errp) { FDrive *drive = opaque; - Error *local_err = NULL; if (!load) { blk_set_perm(drive->blk, 0, BLK_PERM_ALL, &error_abort); } else { - blkconf_apply_backend_options(drive->conf, - blk_is_read_only(drive->blk), false, - &local_err); - if (local_err) { - error_propagate(errp, local_err); + if (!blkconf_apply_backend_options(drive->conf, + blk_is_read_only(drive->blk), false, + errp)) { return; } } @@ -522,7 +519,6 @@ static void floppy_drive_realize(DeviceState *qdev, Error **errp) FloppyDrive *dev = FLOPPY_DRIVE(qdev); FloppyBus *bus = FLOPPY_BUS(qdev->parent_bus); FDrive *drive; - Error *local_err = NULL; int ret; if (dev->unit == -1) { @@ -568,10 +564,9 @@ static void floppy_drive_realize(DeviceState *qdev, Error **errp) dev->conf.rerror = BLOCKDEV_ON_ERROR_AUTO; dev->conf.werror = BLOCKDEV_ON_ERROR_AUTO; - blkconf_apply_backend_options(&dev->conf, blk_is_read_only(dev->conf.blk), - false, &local_err); - if (local_err) { - error_propagate(errp, local_err); + if (!blkconf_apply_backend_options(&dev->conf, + blk_is_read_only(dev->conf.blk), + false, errp)) { return; } diff --git a/hw/block/nvme.c b/hw/block/nvme.c index e530ba7a30..e529e88e4e 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -928,7 +928,6 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) int i; int64_t bs_size; uint8_t *pci_conf; - Error *local_err = NULL; if (!n->conf.blk) { error_setg(errp, "drive property not set"); @@ -947,10 +946,8 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) return; } blkconf_blocksizes(&n->conf); - blkconf_apply_backend_options(&n->conf, blk_is_read_only(n->conf.blk), - false, &local_err); - if (local_err) { - error_propagate(errp, local_err); + if (!blkconf_apply_backend_options(&n->conf, blk_is_read_only(n->conf.blk), + false, errp)) { return; } diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 05d1440786..41a4ccdede 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -930,19 +930,16 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp) } blkconf_serial(&conf->conf, &conf->serial); - blkconf_apply_backend_options(&conf->conf, - blk_is_read_only(conf->conf.blk), true, - &err); - if (err) { - error_propagate(errp, err); + if (!blkconf_apply_backend_options(&conf->conf, + blk_is_read_only(conf->conf.blk), true, + errp)) { return; } s->original_wce = blk_enable_write_cache(conf->conf.blk); - blkconf_geometry(&conf->conf, NULL, 65535, 255, 255, &err); - if (err) { - error_propagate(errp, err); + if (!blkconf_geometry(&conf->conf, NULL, 65535, 255, 255, errp)) { return; } + blkconf_blocksizes(&conf->conf); virtio_init(vdev, "virtio-blk", VIRTIO_ID_BLOCK, diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c index a5181b4448..f395d24592 100644 --- a/hw/ide/qdev.c +++ b/hw/ide/qdev.c @@ -160,7 +160,6 @@ static void ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind, Error **errp) { IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus); IDEState *s = bus->ifs + dev->unit; - Error *err = NULL; int ret; if (!dev->conf.blk) { @@ -191,16 +190,13 @@ static void ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind, Error **errp) blkconf_serial(&dev->conf, &dev->serial); if (kind != IDE_CD) { - blkconf_geometry(&dev->conf, &dev->chs_trans, 65535, 16, 255, &err); - if (err) { - error_propagate(errp, err); + if (!blkconf_geometry(&dev->conf, &dev->chs_trans, 65535, 16, 255, + errp)) { return; } } - blkconf_apply_backend_options(&dev->conf, kind == IDE_CD, kind != IDE_CD, - &err); - if (err) { - error_propagate(errp, err); + if (!blkconf_apply_backend_options(&dev->conf, kind == IDE_CD, + kind != IDE_CD, errp)) { return; } diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index 12431177a7..870d9ae85a 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -2332,7 +2332,6 @@ static void scsi_disk_unit_attention_reported(SCSIDevice *dev) static void scsi_realize(SCSIDevice *dev, Error **errp) { SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev); - Error *err = NULL; if (!s->qdev.conf.blk) { error_setg(errp, "drive property not set"); @@ -2356,17 +2355,13 @@ static void scsi_realize(SCSIDevice *dev, Error **errp) } if (dev->type == TYPE_DISK) { - blkconf_geometry(&dev->conf, NULL, 65535, 255, 255, &err); - if (err) { - error_propagate(errp, err); + if (!blkconf_geometry(&dev->conf, NULL, 65535, 255, 255, errp)) { return; } } - blkconf_apply_backend_options(&dev->conf, - blk_is_read_only(s->qdev.conf.blk), - dev->type == TYPE_DISK, &err); - if (err) { - error_propagate(errp, err); + if (!blkconf_apply_backend_options(&dev->conf, + blk_is_read_only(s->qdev.conf.blk), + dev->type == TYPE_DISK, errp)) { return; } diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c index 8a61ec94c8..a9bcc67e67 100644 --- a/hw/usb/dev-storage.c +++ b/hw/usb/dev-storage.c @@ -601,7 +601,6 @@ static void usb_msd_realize_storage(USBDevice *dev, Error **errp) MSDState *s = USB_STORAGE_DEV(dev); BlockBackend *blk = s->conf.blk; SCSIDevice *scsi_dev; - Error *err = NULL; if (!blk) { error_setg(errp, "drive property not set"); @@ -610,9 +609,8 @@ static void usb_msd_realize_storage(USBDevice *dev, Error **errp) blkconf_serial(&s->conf, &dev->serial); blkconf_blocksizes(&s->conf); - blkconf_apply_backend_options(&s->conf, blk_is_read_only(blk), true, &err); - if (err) { - error_propagate(errp, err); + if (!blkconf_apply_backend_options(&s->conf, blk_is_read_only(blk), true, + errp)) { return; } @@ -636,10 +634,9 @@ static void usb_msd_realize_storage(USBDevice *dev, Error **errp) &usb_msd_scsi_info_storage, NULL); scsi_dev = scsi_bus_legacy_add_drive(&s->bus, blk, 0, !!s->removable, s->conf.bootindex, dev->serial, - &err); + errp); blk_unref(blk); if (!scsi_dev) { - error_propagate(errp, err); return; } usb_msd_handle_reset(dev);