From 1202c14e6efbf53ffd90ab7c6797e063b795451b Mon Sep 17 00:00:00 2001
From: Dmitry Timoshkov <dmitry@baikal.ru>
Date: Tue, 27 Aug 2013 17:38:23 +0900
Subject: [PATCH] ntdll: Ignore ioctl(TIOCGICOUNT) failures.

Most USB-serial Linux drivers don't support it.
---
 dlls/ntdll/serial.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/dlls/ntdll/serial.c b/dlls/ntdll/serial.c
index f4ab2127787..91e72302903 100644
--- a/dlls/ntdll/serial.c
+++ b/dlls/ntdll/serial.c
@@ -820,12 +820,11 @@ static NTSTATUS get_irq_info(int fd, serial_irq_info *irq_info)
     {
         TRACE("TIOCGICOUNT err %s\n", strerror(errno));
         memset(irq_info,0, sizeof(serial_irq_info));
-        return FILE_GetNtStatus();
     }
 #else
     memset(irq_info,0, sizeof(serial_irq_info));
-    return STATUS_NOT_IMPLEMENTED;
 #endif
+
     irq_info->temt = 0;
     /* Generate a single TX_TXEMPTY event when the TX Buffer turns empty*/
 #ifdef TIOCSERGETLSR  /* prefer to log the state TIOCSERGETLSR */