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From bfec52da020f35304f4e059bf4725fe01dbdd154 Mon Sep 17 00:00:00 2001
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From: "Peter A. G. Crosthwaite" <peter.crosthwaite@petalogix.com>
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Date: Mon, 17 Sep 2012 13:41:39 +1000
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Subject: [PATCH] xilinx.h: Error check when setting links
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Assert that the ethernet and dma controller are sucessfully linked to their
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peers.
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Signed-off-by: Peter A. G. Crosthwaite <peter.crosthwaite@petalogix.com>
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(cherry picked from commit 4b5e52101f9ad077d1c016f2b7130e2fdae6d2da)
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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hw/xilinx.h | 10 ++++++++--
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1 file changed, 8 insertions(+), 2 deletions(-)
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diff --git a/hw/xilinx.h b/hw/xilinx.h
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index df06a00..35d6681 100644
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--- a/hw/xilinx.h
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+++ b/hw/xilinx.h
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@@ -55,13 +55,16 @@ xilinx_axiethernet_create(NICInfo *nd, StreamSlave *peer,
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int txmem, int rxmem)
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{
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DeviceState *dev;
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+ Error *errp = NULL;
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+
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qemu_check_nic_model(nd, "xlnx.axi-ethernet");
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dev = qdev_create(NULL, "xlnx.axi-ethernet");
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qdev_set_nic_properties(dev, nd);
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qdev_prop_set_uint32(dev, "rxmem", rxmem);
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qdev_prop_set_uint32(dev, "txmem", txmem);
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- object_property_set_link(OBJECT(dev), OBJECT(peer), "tx_dev", NULL);
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+ object_property_set_link(OBJECT(dev), OBJECT(peer), "tx_dev", &errp);
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+ assert_no_error(errp);
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qdev_init_nofail(dev);
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sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
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sysbus_connect_irq(sysbus_from_qdev(dev), 0, irq);
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@@ -74,8 +77,11 @@ xilinx_axiethernetdma_init(DeviceState *dev, StreamSlave *peer,
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target_phys_addr_t base, qemu_irq irq,
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qemu_irq irq2, int freqhz)
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{
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+ Error *errp = NULL;
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+
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qdev_prop_set_uint32(dev, "freqhz", freqhz);
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- object_property_set_link(OBJECT(dev), OBJECT(peer), "tx_dev", NULL);
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+ object_property_set_link(OBJECT(dev), OBJECT(peer), "tx_dev", &errp);
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+ assert_no_error(errp);
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qdev_init_nofail(dev);
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sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
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