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authorLin Ma <lma@suse.com>2016-09-26 13:29:58 +0800
committerStefan Hajnoczi <stefanha@redhat.com>2016-09-28 11:21:46 +0100
commiteb7b5c35117bfb90dcfa881a0e3b23368c73fba6 (patch)
tree6fccee369c1796dc7f564cc292a5e5974ed930b0
parent6b9424689a32bb76942ec39f6d5c60b72eb002e0 (diff)
downloadqemu-arm-eb7b5c35117bfb90dcfa881a0e3b23368c73fba6.tar.gz
iothread: check iothread->ctx before aio_context_unref to avoid assertion
if iothread->ctx is set to NULL, aio_context_unref triggers the assertion: g_source_unref: assertion 'source != NULL' failed. The patch fixes it. Signed-off-by: Lin Ma <lma@suse.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 20160926052958.10716-1-lma@suse.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-rw-r--r--iothread.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/iothread.c b/iothread.c
index fb08a60b4b..fbeb8deb38 100644
--- a/iothread.c
+++ b/iothread.c
@@ -75,6 +75,9 @@ static void iothread_instance_finalize(Object *obj)
iothread_stop(obj, NULL);
qemu_cond_destroy(&iothread->init_done_cond);
qemu_mutex_destroy(&iothread->init_done_lock);
+ if (!iothread->ctx) {
+ return;
+ }
aio_context_unref(iothread->ctx);
}