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authorPhilippe Mathieu-Daudé <philmd@redhat.com>2021-08-19 18:34:20 +0200
committerPeter Maydell <peter.maydell@linaro.org>2021-08-26 17:01:59 +0100
commit348ba7bede1513f7e5aba0b755380d2ff1720192 (patch)
tree2af7c68cd1709835b7d6760f11495337b1af4035 /hw/dma/xlnx_csu_dma.c
parent34a3a71db619c46f2a9ab76257d296d9c8b43aeb (diff)
hw/dma/xlnx_csu_dma: Run trivial checks early in realize()
If some property are not set, we'll return indicating a failure, so it is pointless to allocate / initialize some fields too early. Move the trivial checks earlier in realize(). Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20210819163422.2863447-3-philmd@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/dma/xlnx_csu_dma.c')
-rw-r--r--hw/dma/xlnx_csu_dma.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/hw/dma/xlnx_csu_dma.c b/hw/dma/xlnx_csu_dma.c
index 797b4fed8f..2d19f415ef 100644
--- a/hw/dma/xlnx_csu_dma.c
+++ b/hw/dma/xlnx_csu_dma.c
@@ -626,6 +626,11 @@ static void xlnx_csu_dma_realize(DeviceState *dev, Error **errp)
XlnxCSUDMA *s = XLNX_CSU_DMA(dev);
RegisterInfoArray *reg_array;
+ if (!s->is_dst && !s->tx_dev) {
+ error_setg(errp, "zynqmp.csu-dma: Stream not connected");
+ return;
+ }
+
reg_array =
register_init_block32(dev, xlnx_csu_dma_regs_info[!!s->is_dst],
XLNX_CSU_DMA_R_MAX,
@@ -640,11 +645,6 @@ static void xlnx_csu_dma_realize(DeviceState *dev, Error **errp)
sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->iomem);
sysbus_init_irq(SYS_BUS_DEVICE(dev), &s->irq);
- if (!s->is_dst && !s->tx_dev) {
- error_setg(errp, "zynqmp.csu-dma: Stream not connected");
- return;
- }
-
s->src_timer = ptimer_init(xlnx_csu_dma_src_timeout_hit,
s, PTIMER_POLICY_DEFAULT);