[Qemu-devel] [PATCH 1/5] xilinx: Fix error handling

[Eduardo Habkost <ehabkost@redhat.com>]

Assigning directly to *errp is not valid, as errp may be NULL,
&error_fatal, or &error_abort.  Use error_propagate() instead.

error_propagate() handles non-NULL *errp correctly, so the
"if (!*errp)" check can be removed.

Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: Alistair Francis <alistair.francis@xilinx.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: qemu-arm@nongnu.org
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 hw/dma/xilinx_axidma.c  | 4 +---
 hw/net/xilinx_axienet.c | 4 +---
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/hw/dma/xilinx_axidma.c b/hw/dma/xilinx_axidma.c
index 6065689ad1..3987b5ff96 100644
--- a/hw/dma/xilinx_axidma.c
+++ b/hw/dma/xilinx_axidma.c
@@ -554,9 +554,7 @@ static void xilinx_axidma_realize(DeviceState *dev, Error **errp)
     return;
 
 xilinx_axidma_realize_fail:
-    if (!*errp) {
-        *errp = local_err;
-    }
+    error_propagate(errp, local_err);
 }
 
 static void xilinx_axidma_init(Object *obj)
diff --git a/hw/net/xilinx_axienet.c b/hw/net/xilinx_axienet.c
index b6701844d3..5ffa739f68 100644
--- a/hw/net/xilinx_axienet.c
+++ b/hw/net/xilinx_axienet.c
@@ -981,9 +981,7 @@ static void xilinx_enet_realize(DeviceState *dev, Error **errp)
     return;
 
 xilinx_enet_realize_fail:
-    if (!*errp) {
-        *errp = local_err;
-    }
+    error_propagate(errp, local_err);
 }
 
 static void xilinx_enet_init(Object *obj)
-- 
2.11.0.259.g40922b1