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chardev: Drop useless ChardevDummy type

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Commit d0d7708b made ChardevDummy be an empty wrapper type around
ChardevCommon.  But there is no technical reason for this indirection,
so simplify the code by directly using the base type.

Also change the fallback assignment to assign u.null rather than
u.data, since a future patch will remove the data member of the C
struct generated for QAPI unions.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <1457106160-23614-1-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Eric Blake 2016-03-04 08:42:40 -07:00 • committed by Markus Armbruster
parent 10f759079e
commit b1918fbb1c
4 changed files with 12 additions and 15 deletions
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2
backends/msmouse.c
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@ -68,7 +68,7 @@ static CharDriverState *qemu_chr_open_msmouse(const char *id,
ChardevReturn *ret,
Error **errp)
{
ChardevCommon *common = qapi_ChardevDummy_base(backend->u.msmouse);
ChardevCommon *common = backend->u.msmouse;
CharDriverState *chr;
chr = qemu_chr_alloc(common, errp);