From: Cao jin <caoj.fnst@cn.fujitsu.com>
Date: Wed, 6 Jul 2016 10:08:59 +0000 (+0800)
Subject: main-loop: check return value before using pointer
X-Git-Tag: Tizen_Studio_1.3_Release_p2.3.2~6^2~13^2~6^2~114^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=28ba61e7ff2a824e79a477192aee8ee20b95f194;p=sdk%2Femulator%2Fqemu.git

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>
---

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);