msm: ipa: add additional checks to prevent use-after free errors

Adding a function to check for dangling pointer using IPA IDR structure
to avoid use after free error.

Change-Id: I0bd3d733bf10403366abc643f89c3e5c5e6228e9
Acked-by: Suhas Mallesh <smallesh@qti.qualcomm.com>
Signed-off-by: Michael Adisumarta <madisuma@codeaurora.org>