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authorCao jin <caoj.fnst@cn.fujitsu.com>2016-07-06 18:08:59 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2016-07-12 18:31:27 +0200
commit28ba61e7ff2a824e79a477192aee8ee20b95f194 (patch)
tree0f22e1281a27eb5ff612d3c49b6e2e4631edf684
parent540aecd0991d1fcbb2204a06fcdbda32c87e788a (diff)
main-loop: check return value before using pointer
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>
-rw-r--r--main-loop.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/main-loop.c b/main-loop.c
index 89a699419f..6a7f8d30bd 100644
--- a/main-loop.c
+++ b/main-loop.c
@@ -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);