1 files changed, 3 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 6f9b64700f6e..86674f67abd1 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -681,6 +681,9 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
         struct hda_bus_unsolicited *unsol;
         unsigned int wp;
 
+        if (!bus || !bus->workq)
+                return 0;
+
         trace_hda_unsol_event(bus, res, res_ex);
         unsol = bus->unsol;
         if (!unsol)