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Check if callback exists before calling

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Simon Kornblith 2013-08-09 11:00:55 -04:00
parent 2069b5b396
commit 8a8093028d
1 changed files with 2 additions and 2 deletions
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4
chrome/content/zotero/xpcom/zotero.js
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@ -814,10 +814,10 @@ Components.utils.import("resource://gre/modules/Services.jsm");
Zotero.DB.closeDatabase().then(function() {
// broadcast that DB lock has been released
Zotero.IPC.broadcast("lockReleased");
callback();
if(callback) callback();
});
} else {
callback();
if(callback) callback();
}
} catch(e) {
Zotero.debug(e);