tree ace486e06c03c8942d646070a4d7f8f911868321
parent 0d4275671bc79053aafd9d0269d089679080f909
author sheenam monga <shebala@codeaurora.org> 1557123428 +0530
committer nshrivas <nshrivas@codeaurora.org> 1558469672 -0700

qcacmn: Fix bss peer use after free in crypto

wlan_vdev_get_bsspeer() return bss peer without taking the ref count
of the peer and thus if peer is deleted after wlan_vdev_get_bsspeer()
returns a valid peer, the caller will have stale entry of the peer.
Stale entry of peer can lead to Assert.

Use wlan_objmgr_vdev_try_get_bsspeer API for crypto to get the BSS
peer which increment the refcount if peer is valid. With this the
peer won't be deleted till the caller release the ref count of the
peer.

Change-Id: I5472c80d267a6639acaff2d47dbc09e37963bc93
CRs-Fixed: 2447249