diff options
| -rw-r--r-- | modules/caddyhttp/reverseproxy/hosts.go | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/modules/caddyhttp/reverseproxy/hosts.go b/modules/caddyhttp/reverseproxy/hosts.go index 298d4f3..83a39d8 100644 --- a/modules/caddyhttp/reverseproxy/hosts.go +++ b/modules/caddyhttp/reverseproxy/hosts.go @@ -63,9 +63,10 @@ type Upstream struct { unhealthy int32 // accessed atomically; status from active health checker } -func (u Upstream) String() string { - return u.Dial -} +// (pointer receiver necessary to avoid a race condition, since +// copying the Upstream reads the 'unhealthy' field which is +// accessed atomically) +func (u *Upstream) String() string { return u.Dial } // Available returns true if the remote host // is available to receive requests. This is |