noironetworks / aci-containers / 6223

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Fixed deadlock in hostagent

Trying to access snatPolicyCacheMutex.RLock again in same goroutine
without releasing already acquired snatPolicyCacheMutex.RLock was causing
deadlock. This goroutine accessed its first snatPolicyCacheMutex.RLock
and then another goroutine stated waiting for snatPolicyCacheMutex.Lock
and hence the first goroutine was not able to access the 2nd
snatPolicyCacheMutex.RLock which caused the deadlock

Avoided the 2nd occurance of snatPolicyCacheMutex.RLock in same
goroutine without releasing the 1st read lock.

3 of 3 new or added lines in 2 files covered. (100.0%)

11623 of 20473 relevant lines covered (56.77%)

0.63 hits per line