fix: release db connection

src/routes/mod.rs

@@ -389,7 +389,12 @@ pub async fn get_blob_thumb(
     if id.len() != 32 {
         return Err(Status::NotFound);
     }
-    if let Ok(Some(info)) = db.get_file(&id).await {
+    let info = if let Ok(Some(info)) = db.get_file(&id).await {
+        info
+    } else {
+        return Err(Status::NotFound);
+    };
+
     let file_path = fs.get(&id);
 
     let mut thumb_file = temp_dir().join(format!("thumb_{}", sha256));
@@ -403,18 +408,18 @@ pub async fn get_blob_thumb(
     };
 
     if let Ok(f) = File::open(&thumb_file).await {
-            return Ok(FilePayload {
+        Ok(FilePayload {
             file: f,
             info: FileUpload {
                 size: thumb_file.metadata().unwrap().len(),
                 mime_type: "image/webp".to_string(),
                 ..info
             },
-            });
-        }
-    }
+        })
+    } else {
         Err(Status::NotFound)
     }
+}
 
 /// Legacy URL redirect for void.cat uploads
 #[rocket::get("/d/<id>")]