From a1163b298e7bbf82e12c4d791e31b0273532704e Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Sun, 29 Mar 2026 10:49:35 -1000
Subject: [PATCH] [api] Inline check_socket_write_err_ in drain_overflow
 (removed from header)

---
 esphome/components/api/api_frame_helper.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/esphome/components/api/api_frame_helper.cpp b/esphome/components/api/api_frame_helper.cpp
index 93119187d1..0f2bc89e73 100644
--- a/esphome/components/api/api_frame_helper.cpp
+++ b/esphome/components/api/api_frame_helper.cpp
@@ -103,7 +103,8 @@ const LogString *api_error_to_logstr(APIError err) {
 APIError APIFrameHelper::drain_overflow_and_handle_errors_() {
   if (this->overflow_buf_.try_drain(this->socket_.get()) == -1) {
     int err = errno;
-    if (this->check_socket_write_err_(err) != APIError::WOULD_BLOCK) {
+    if (err != EWOULDBLOCK && err != EAGAIN) {
+      this->state_ = State::FAILED;
       HELPER_LOG("Socket write failed with errno %d", err);
       return APIError::SOCKET_WRITE_FAILED;
     }