fix TOCTOU Issue by fixing access to path check

fix TOCTOU Issue by fixing access to path check

Calling function 'fopen' after check function like 'access' which perform check on path can cause a time-of-check, time-of-use race condition.
For resolving this, remove 'access' and just print error message of fopen() fail with errno.

Change-Id: I46b4639815b52fef1548209d703cf40d9ee6920b