msm: ipa3: Fix to use after free issue

Trying access the already freed pointer.
Added code changes to fix use after free issue.

Change-Id: I1c000a6c054b65f6ff703c727909e57369f617f2
Acked-by: Ashok Vuyyuru <avuyyuru@qti.qualcomm.com>
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>