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hw/audio: Fix crashes when devices are used on ISA bus without DMA

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The cs4231a, gus and sb16 sound cards crash QEMU when the user tries
to instantiate them on a machine with DMA-less ISA bus (for example
with "qemu-system-mips64el -M mips -device sb16"). Add proper checks
to the realize functions to avoid the crashes.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1521193892-15552-4-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Thomas Huth 2018-03-16 10:51:31 +01:00 • committed by Paolo Bonzini
parent b3da551389
commit c9073238fc
4 changed files with 20 additions and 7 deletions
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3
scripts/device-crash-test
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@ -218,10 +218,7 @@ ERROR_WHITELIST = [
{'exitcode':-6, 'log':r"Object .* is not an instance of type e500-ccsr", 'loglevel':logging.ERROR},
{'exitcode':-6, 'log':r"vmstate_register_with_alias_id: Assertion `!se->compat \|\| se->instance_id == 0' failed", 'loglevel':logging.ERROR},
{'exitcode':-6, 'device':'isa-fdc', 'loglevel':logging.ERROR, 'expected':True},
{'exitcode':-11, 'device':'gus', 'loglevel':logging.ERROR, 'expected':True},
{'exitcode':-11, 'device':'isa-serial', 'loglevel':logging.ERROR, 'expected':True},
{'exitcode':-11, 'device':'sb16', 'loglevel':logging.ERROR, 'expected':True},
{'exitcode':-11, 'device':'cs4231a', 'loglevel':logging.ERROR, 'expected':True},
{'exitcode':-11, 'machine':'isapc', 'device':'.*-iommu', 'loglevel':logging.ERROR, 'expected':True},
{'exitcode':-11, 'device':'mioe3680_pci', 'loglevel':logging.ERROR, 'expected':True},
{'exitcode':-11, 'device':'pcm3680_pci', 'loglevel':logging.ERROR, 'expected':True},