[1/2] ntdll: Properly set flag which indicates buffer empty state. Take 2.

[Dmitry Timoshkov]

This time without removing todo_wine from tests to avoid test
failures on Alexandre's computer with a real COM port. This
needs additional investigation.
---
 dlls/kernel32/tests/comm.c |  1 +
 dlls/ntdll/serial.c        | 13 +++++--------
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/dlls/kernel32/tests/comm.c b/dlls/kernel32/tests/comm.c
index 4b0eb82..647c07a 100644
--- a/dlls/kernel32/tests/comm.c
+++ b/dlls/kernel32/tests/comm.c
@@ -851,6 +851,7 @@ todo_wine
     {
         res = GetOverlappedResult(hcom, &ovl_wait, &bytes, FALSE);
         ok(res, "GetOverlappedResult reported error %d\n", GetLastError());
+todo_wine
         ok(bytes == sizeof(evtmask), "expected %u, written %u\n", (UINT)sizeof(evtmask), bytes);
         res = TRUE;
     }
diff --git a/dlls/ntdll/serial.c b/dlls/ntdll/serial.c
index 93991f9..de699ef 100644
--- a/dlls/ntdll/serial.c
+++ b/dlls/ntdll/serial.c
@@ -838,16 +838,13 @@ static NTSTATUS get_irq_info(int fd, serial_irq_info *irq_info)
     TRACE("TIOCSERGETLSR err %s\n", strerror(errno));
 #endif
 #ifdef TIOCOUTQ  /* otherwise we log when the out queue gets empty */
-    if (ioctl(fd, TIOCOUTQ, &irq_info->temt))
+    if (!ioctl(fd, TIOCOUTQ, &out))
     {
-        TRACE("TIOCOUTQ err %s\n", strerror(errno));
-        return FILE_GetNtStatus();
-    }
-    else
-    {
-        if (irq_info->temt == 0)
-            irq_info->temt = 1;
+        irq_info->temt = out == 0;
+        return STATUS_SUCCESS;
     }
+    TRACE("TIOCOUTQ err %s\n", strerror(errno));
+    return FILE_GetNtStatus();
 #endif
     return STATUS_SUCCESS;
 }
-- 
1.8.3.4