From 6e628a341ab6f7df305cf3ee041500099faaff30 Mon Sep 17 00:00:00 2001
From: Guillaume Souchere <guillaume.souchere@espressif.com>
Date: Thu, 11 Apr 2024 12:38:35 +0200
Subject: [PATCH] fix(console): Fsync not propagated to secondary output

Calls to fsync need to also be propagated to secondary
output when CONFIG_ESP_CONSOLE_SECONDARY_USB_SERIAL_JTAG
is enabled.

Closes https://github.com/espressif/esp-idf/issues/13162
---
 components/esp_vfs_console/vfs_console.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/components/esp_vfs_console/vfs_console.c b/components/esp_vfs_console/vfs_console.c
index 946c8bb6af..b071d521ad 100644
--- a/components/esp_vfs_console/vfs_console.c
+++ b/components/esp_vfs_console/vfs_console.c
@@ -98,7 +98,11 @@ int console_fcntl(int fd, int cmd, int arg)
 
 int console_fsync(int fd)
 {
-    return fsync(vfs_console.fd_primary);
+    const int ret_val = fsync(vfs_console.fd_primary);
+#if CONFIG_ESP_CONSOLE_SECONDARY_USB_SERIAL_JTAG
+    (void)fsync(vfs_console.fd_secondary);
+#endif
+    return ret_val;
 }
 
 #ifdef CONFIG_VFS_SUPPORT_DIR