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softmmu/vl.c: Disable default NIC if it has not been compiled into the binary

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

Message-Id: <20230512124033.502654-5-thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Thomas Huth 2023-05-10 21:26:13 +02:00
parent 01ecdaa40e
commit 26a0802d1c
1 changed files with 7 additions and 0 deletions
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7
softmmu/vl.c
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@ -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;
}
}
}