From ab20d50dba07ce4e0fde35fca802b5deb246b5ee Mon Sep 17 00:00:00 2001
From: cui <cuiweixie@gmail.com>
Date: Thu, 28 May 2026 00:27:35 +0800
Subject: [PATCH] log: return TerminalHandler write errors from Handle (#35055)

Propagate slog Handle failures when the underlying io.Writer rejects
output.
---
 log/handler.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/log/handler.go b/log/handler.go
index 56eff6671f..9c98552e7c 100644
--- a/log/handler.go
+++ b/log/handler.go
@@ -77,9 +77,9 @@ func (h *TerminalHandler) Handle(_ context.Context, r slog.Record) error {
 	h.mu.Lock()
 	defer h.mu.Unlock()
 	buf := h.format(h.buf, r, h.useColor)
-	h.wr.Write(buf)
+	_, err := h.wr.Write(buf)
 	h.buf = buf[:0]
-	return nil
+	return err
 }
 
 func (h *TerminalHandler) Enabled(_ context.Context, level slog.Level) bool {