[tor-commits] [pluggable-transports/snowflake] 02/07: Restore ListenAndServe error return in Transport.Listen.

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meskio pushed a commit to branch main
in repository pluggable-transports/snowflake.

commit 6bdd48c006a5c107dae7ba8330bbf1f9eda77059
Author: David Fifield <david at bamsoftware.com>
AuthorDate: Tue Mar 21 15:48:53 2023 -0600

    Restore ListenAndServe error return in Transport.Listen.
    
    This error return was lost in 11f0846264d4033e7a7dc7824febb6ad7140762f;
    i.e. !31.
    
    Fixes #40043.
---
 server/lib/snowflake.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/server/lib/snowflake.go b/server/lib/snowflake.go
index 4078358..c4d3fbc 100644
--- a/server/lib/snowflake.go
+++ b/server/lib/snowflake.go
@@ -125,13 +125,15 @@ func (t *Transport) Listen(addr net.Addr, numKCPInstances int) (*SnowflakeListen
 			errChan <- err
 		}
 	}()
-
 	select {
 	case err = <-errChan:
 		break
 	case <-time.After(listenAndServeErrorTimeout):
 		break
 	}
+	if err != nil {
+		return nil, err
+	}
 
 	listener.server = server
 

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