qcacmn: Fix for crash during unload of driver modules

Change ce_cancel API to return error status in srng implementation.
Since this feature is not yet added, it should return error status, zero
or success return value will result in a infinite loop causing access to
invalid memory.

Change-Id: I871cc16e2854aeca694c7538cc1e99ab24b04de6
CRs-Fixed: 1097695
1 file changed