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main-loop: check return value before using pointer

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pointer 'qemu_aio_context' should be checked first before it is used.
qemu_bh_new() will use it.

Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Message-Id: <1467799740-26079-2-git-send-email-caoj.fnst@cn.fujitsu.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Cao jin 2016-07-06 18:08:59 +08:00 committed by Paolo Bonzini
parent 540aecd099
commit 28ba61e7ff
1 changed files with 1 additions and 1 deletions
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2
main-loop.c
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@ -154,11 +154,11 @@ int qemu_init_main_loop(Error **errp)
}
qemu_aio_context = aio_context_new(&local_error);
qemu_notify_bh = qemu_bh_new(notify_event_cb, NULL);
if (!qemu_aio_context) {
error_propagate(errp, local_error);
return -EMFILE;
}
qemu_notify_bh = qemu_bh_new(notify_event_cb, NULL);
gpollfds = g_array_new(FALSE, FALSE, sizeof(GPollFD));
src = aio_get_g_source(qemu_aio_context);
g_source_attach(src, NULL);