From 3eb5c44be311f10cd3f78019d2b713b8f13b11d8 Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Fri, 30 Jun 2023 15:03:50 +0300
Subject: [PATCH] Fix attachment semaphore unlocking when download fails

---
 attachments.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/attachments.go b/attachments.go
index 9526211..85a51a9 100644
--- a/attachments.go
+++ b/attachments.go
@@ -294,6 +294,7 @@ func (br *DiscordBridge) copyAttachmentToMatrix(intent *appservice.IntentAPI, ur
 			}
 			var semaWg sync.WaitGroup
 			semaWg.Add(1)
+			defer semaWg.Done()
 			go func() {
 				semaWg.Wait()
 				br.parallelAttachmentSemaphore.Release(attachmentSizeVal)
@@ -321,7 +322,6 @@ func (br *DiscordBridge) copyAttachmentToMatrix(intent *appservice.IntentAPI, ur
 				onceDBFile.Insert(nil)
 			}
 			br.attachmentTransfers.Delete(transferKey)
-			semaWg.Done()
 			return
 		})
 	}