
In the scenario where IPA UC ready work is processed after wlan_ipa_uc_ol_deinit, triggered as part of idle shutdown, there is a possibility for NULL wbm srng pointer derefernce when setting the tx doorbell address. Fix is to avoid scheduling UC op work when deinit is in progress. Change-Id: Ifa0908912b77f45b7d93c5f9c2f5aaf9e17685c5 CRs-Fixed: 2807218