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[Qemu-devel] [PATCH 06/12] hw/arm/allwinner-a10: Mark the allwinner-a10


From: Michael Roth
Subject: [Qemu-devel] [PATCH 06/12] hw/arm/allwinner-a10: Mark the allwinner-a10 device with user_creatable = false
Date: Tue, 19 Sep 2017 19:45:15 -0500

From: Thomas Huth <address@hidden>

QEMU currently exits unexpectedly when the user accidentially
tries to do something like this:

$ aarch64-softmmu/qemu-system-aarch64 -S -M integratorcp -nographic
QEMU 2.9.93 monitor - type 'help' for more information
(qemu) device_add allwinner-a10
Unsupported NIC model: smc91c111

Exiting just due to a "device_add" should not happen. Looking closer
at the the realize and instance_init function of this device also
reveals that it is using serial_hds and nd_table directly there, so
this device is clearly not creatable by the user and should be marked
accordingly.

Signed-off-by: Thomas Huth <address@hidden>
Reviewed-by: Eduardo Habkost <address@hidden>
Message-id: address@hidden
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>
(cherry picked from commit dc89a180caf143a5d596d3f2f776d13be83a687d)
Signed-off-by: Michael Roth <address@hidden>
---
 hw/arm/allwinner-a10.c    | 2 ++
 scripts/device-crash-test | 1 -
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/arm/allwinner-a10.c b/hw/arm/allwinner-a10.c
index f62a9a3541..43a3f01f45 100644
--- a/hw/arm/allwinner-a10.c
+++ b/hw/arm/allwinner-a10.c
@@ -118,6 +118,8 @@ static void aw_a10_class_init(ObjectClass *oc, void *data)
     DeviceClass *dc = DEVICE_CLASS(oc);
 
     dc->realize = aw_a10_realize;
+    /* Reason: Uses serial_hds in realize and nd_table in instance_init */
+    dc->user_creatable = false;
 }
 
 static const TypeInfo aw_a10_type_info = {
diff --git a/scripts/device-crash-test b/scripts/device-crash-test
index e77b693eb2..81d65b9617 100755
--- a/scripts/device-crash-test
+++ b/scripts/device-crash-test
@@ -187,7 +187,6 @@ ERROR_WHITELIST = [
     {'log':r"Device [\w.,-]+ can not be dynamically instantiated"},
     {'log':r"Platform Bus: Can not fit MMIO region of size "},
     # other more specific errors we will ignore:
-    {'device':'allwinner-a10', 'log':"Unsupported NIC model:"},
     {'device':'.*-spapr-cpu-core', 'log':r"CPU core type should be"},
     {'log':r"MSI(-X)? is not supported by interrupt controller"},
     {'log':r"pxb-pcie? devices cannot reside on a PCIe? bus"},
-- 
2.11.0




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