BufferReadUntilBlock should release buf when no bytes read

This was causing allocations every time there was a non-blocking read with nothing to read. #1481
jackc · Jan 28, 2023 · 7941518 · 7941518
1 parent f839d50
commit 7941518
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/internal/nbconn/nbconn.go b/internal/nbconn/nbconn.go
@@ -317,6 +317,8 @@ func (c *NetConn) BufferReadUntilBlock() error {
 		if n > 0 {
 			buf = buf[:n]
 			c.readQueue.pushBack(buf)
+		} else if n == 0 {
+			iobufpool.Put(buf)
 		}
 
 		if err != nil {