K 10
svn:author
V 5
shurd
K 8
svn:date
V 27
2018-12-11T17:46:01.297205Z
K 7
svn:log
V 488
Fix !tx_abdicate error from r336560

r336560 was supposed to restore pre-r323954 behaviour when tx_abdicate is
not set (the default case). However, it appears that rather than the drainage
check being made conditional on tx_abdicate being set, it was duplicated
so it occured twice if tx_abdicate was set and once if it was not.

Now when !tx_abdicate, drainage is only checked if the doorbell isn't
pending.

Reported by:    lev
MFC after:      1 week
Sponsored by:   Limelight Networks

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