Allow qtests with --without-default-devices (part 1)

[PATCH 04/18] softmmu/vl.c: Disable default NIC if it has not been compiled into the binary

Thomas Huth posted 18 patches 2 years, 9 months ago

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Maintainers: "Alex Bennée" <alex.bennee@linaro.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Thomas Huth <thuth@redhat.com>, Wainer dos Santos Moschetta <wainersm@redhat.com>, Beraldo Leal <bleal@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Richard Henderson <richard.henderson@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, "Hervé Poussineau" <hpoussin@reactos.org>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Halil Pasic <pasic@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, Magnus Damm <magnus.damm@gmail.com>, Artyom Tarasenko <atar4qemu@gmail.com>, Yanan Wang <wangyanan55@huawei.com>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, John Snow <jsnow@redhat.com>, Laurent Vivier <lvivier@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>

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[PATCH 04/18] softmmu/vl.c: Disable default NIC if it has not been compiled into the binary

Posted by Thomas Huth 2 years, 9 months ago

Don't try to instantiate a default NIC if it is not available (since
this will cause QEMU to abort). Emit a warning instead.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 softmmu/vl.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/softmmu/vl.c b/softmmu/vl.c
index 43d3b972da..b0b96f67fa 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -1294,6 +1294,13 @@ static void qemu_disable_default_devices(void)
         default_monitor = 0;
         default_net = 0;
         default_vga = 0;
+    } else {
+        if (default_net && machine_class->default_nic &&
+            !module_object_class_by_name(machine_class->default_nic)) {
+            warn_report("Default NIC '%s' is not available in this binary",
+                        machine_class->default_nic);
+            default_net = 0;
+        }
     }
 }
 
-- 
2.31.1