diff options
author | Andreas Färber <afaerber@suse.de> | 2013-07-17 14:14:41 +0200 |
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committer | Andreas Färber <afaerber@suse.de> | 2013-07-23 00:37:35 +0200 |
commit | a3ef7a61e3706ba81e31a8092b966d6aeae5333e (patch) | |
tree | 8b11cfa4260a2e1e2772a95c231a2da3dcc8eea8 /hw | |
parent | 940194c2369e50d91d1abf6f36d43853eea5e539 (diff) | |
download | hqemu-a3ef7a61e3706ba81e31a8092b966d6aeae5333e.zip hqemu-a3ef7a61e3706ba81e31a8092b966d6aeae5333e.tar.gz |
fdc: Improve error propagation for QOM realize
Rename fdctrl_init_common() to fdctrl_realize_common() and let
fdctrl_connect_drives() propagate an Error through it.
Reviewed-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Diffstat (limited to 'hw')
-rw-r--r-- | hw/block/fdc.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/hw/block/fdc.c b/hw/block/fdc.c index 9a983fb..d32f6ba 100644 --- a/hw/block/fdc.c +++ b/hw/block/fdc.c @@ -1997,7 +1997,7 @@ static const BlockDevOps fdctrl_block_ops = { }; /* Init functions */ -static int fdctrl_connect_drives(FDCtrl *fdctrl) +static void fdctrl_connect_drives(FDCtrl *fdctrl, Error **errp) { unsigned int i; FDrive *drive; @@ -2008,12 +2008,12 @@ static int fdctrl_connect_drives(FDCtrl *fdctrl) if (drive->bs) { if (bdrv_get_on_error(drive->bs, 0) != BLOCKDEV_ON_ERROR_ENOSPC) { - error_report("fdc doesn't support drive option werror"); - return -1; + error_setg(errp, "fdc doesn't support drive option werror"); + return; } if (bdrv_get_on_error(drive->bs, 1) != BLOCKDEV_ON_ERROR_REPORT) { - error_report("fdc doesn't support drive option rerror"); - return -1; + error_setg(errp, "fdc doesn't support drive option rerror"); + return; } } @@ -2023,7 +2023,6 @@ static int fdctrl_connect_drives(FDCtrl *fdctrl) bdrv_set_dev_ops(drive->bs, &fdctrl_block_ops, drive); } } - return 0; } ISADevice *fdctrl_init_isa(ISABus *bus, DriveInfo **fds) @@ -2089,7 +2088,7 @@ void sun4m_fdctrl_init(qemu_irq irq, hwaddr io_base, *fdc_tc = qdev_get_gpio_in(dev, 0); } -static int fdctrl_init_common(FDCtrl *fdctrl) +static void fdctrl_realize_common(FDCtrl *fdctrl, Error **errp) { int i, j; static int command_tables_inited = 0; @@ -2110,15 +2109,16 @@ static int fdctrl_init_common(FDCtrl *fdctrl) fdctrl->fifo = qemu_memalign(512, FD_SECTOR_LEN); fdctrl->fifo_size = 512; fdctrl->result_timer = qemu_new_timer_ns(vm_clock, - fdctrl_result_timer, fdctrl); + fdctrl_result_timer, fdctrl); fdctrl->version = 0x90; /* Intel 82078 controller */ fdctrl->config = FD_CONFIG_EIS | FD_CONFIG_EFIFO; /* Implicit seek, polling & FIFO enabled */ fdctrl->num_floppies = MAX_FD; - if (fdctrl->dma_chann != -1) + if (fdctrl->dma_chann != -1) { DMA_register_channel(fdctrl->dma_chann, &fdctrl_transfer_handler, fdctrl); - return fdctrl_connect_drives(fdctrl); + } + fdctrl_connect_drives(fdctrl, errp); } static const MemoryRegionPortio fdc_portio_list[] = { @@ -2132,7 +2132,7 @@ static void isabus_fdc_realize(DeviceState *dev, Error **errp) ISADevice *isadev = ISA_DEVICE(dev); FDCtrlISABus *isa = ISA_FDC(dev); FDCtrl *fdctrl = &isa->state; - int ret; + Error *err = NULL; isa_register_portio_list(isadev, isa->iobase, fdc_portio_list, fdctrl, "fdc"); @@ -2141,9 +2141,9 @@ static void isabus_fdc_realize(DeviceState *dev, Error **errp) fdctrl->dma_chann = isa->dma; qdev_set_legacy_instance_id(dev, isa->iobase, 2); - ret = fdctrl_init_common(fdctrl); - if (ret < 0) { - error_setg(errp, "Floppy init failed."); + fdctrl_realize_common(fdctrl, &err); + if (err != NULL) { + error_propagate(errp, err); return; } @@ -2165,6 +2165,7 @@ static void sysbus_fdc_realize(DeviceState *dev, Error **errp) FDCtrlSysBus *sys = SYSBUS_FDC(dev); FDCtrl *fdctrl = &sys->state; SysBusDevice *b = SYS_BUS_DEVICE(dev); + Error *err = NULL; sysbus_init_mmio(b, &fdctrl->iomem); sysbus_init_irq(b, &fdctrl->irq); @@ -2172,8 +2173,9 @@ static void sysbus_fdc_realize(DeviceState *dev, Error **errp) fdctrl->dma_chann = -1; qdev_set_legacy_instance_id(dev, 0 /* io */, 2); /* FIXME */ - if (fdctrl_init_common(fdctrl) < 0) { - error_setg(errp, "Floppy init failed."); + fdctrl_realize_common(fdctrl, &err); + if (err != NULL) { + error_propagate(errp, err); return; } } @@ -2192,6 +2194,7 @@ static void sun4m_fdc_realize(DeviceState *dev, Error **errp) FDCtrlSysBus *sys = SYSBUS_FDC(dev); FDCtrl *fdctrl = &sys->state; SysBusDevice *sbd = SYS_BUS_DEVICE(dev); + Error *err = NULL; sysbus_init_mmio(sbd, &fdctrl->iomem); sysbus_init_irq(sbd, &fdctrl->irq); @@ -2199,8 +2202,9 @@ static void sun4m_fdc_realize(DeviceState *dev, Error **errp) fdctrl->sun4m = 1; qdev_set_legacy_instance_id(dev, 0 /* io */, 2); /* FIXME */ - if (fdctrl_init_common(fdctrl) < 0) { - error_setg(errp, "Floppy init failed."); + fdctrl_realize_common(fdctrl, &err); + if (err != NULL) { + error_propagate(errp, err); return; } } |