networkdb: Use write lock in handleNodeEvent #2136
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`handleNodeEvent` is calling `changeNodeState` which writes to various maps on the ndb object. Using a write lock prevents a panic on concurrent read/write access on these maps. Signed-off-by: Brian Goff <cpuguy83@gmail.com>
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@@ Coverage Diff @@
## master #2136 +/- ##
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Coverage ? 40.46%
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Files ? 139
Lines ? 22472
Branches ? 0
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Hits ? 9093
Misses ? 12040
Partials ? 1339
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mavenugo
approved these changes
Apr 12, 2018
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handleNodeEventis callingchangeNodeStatewhich writes to variousmaps on the ndb object.
Using a write lock prevents a panic on concurrent read/write access on
these maps.
Related to moby/moby#36814