[PATCH] ntdll: Don't set error status if volume serial number is missing.

[Roman Pišl]

Fixes regression from b14eee69c7240658252bc96b6302e98948f2c62c.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=50781

Signed-off-by: Roman Pišl <rpisl(a)seznam.cz>
---
 dlls/ntdll/unix/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/ntdll/unix/file.c b/dlls/ntdll/unix/file.c
index bcaf03a2d02..c169b49343f 100644
--- a/dlls/ntdll/unix/file.c
+++ b/dlls/ntdll/unix/file.c
@@ -4108,7 +4108,7 @@ NTSTATUS WINAPI NtQueryInformationFile( HANDLE handle, IO_STATUS_BLOCK *io,
             FILE_ID_INFORMATION *info = ptr;
 
             info->VolumeSerialNumber = 0;
-            if (!(io->u.Status = get_mountmgr_fs_info( handle, fd, &drive, sizeof(drive) )))
+            if (!get_mountmgr_fs_info( handle, fd, &drive, sizeof(drive) ))
                 info->VolumeSerialNumber = drive.serial;
             memset( &info->FileId, 0, sizeof(info->FileId) );
             *(ULONGLONG *)&info->FileId = st.st_ino;
-- 
2.20.1