Jacek Caban : ntdll: Use correct size when checking iosb in NtFlushBuffersFile (Coverity).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3d5a2567977455d04e4896368a71db74e7b9074b
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=3d5a2567977455d04e4896368a71db74e7b9074b

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Tue Oct 30 13:43:38 2018 +0100

ntdll: Use correct size when checking iosb in NtFlushBuffersFile (Coverity).

Spotted by Nikolay.

Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/ntdll/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/ntdll/file.c b/dlls/ntdll/file.c
index 870ad06..622b5de 100644
--- a/dlls/ntdll/file.c
+++ b/dlls/ntdll/file.c
@@ -3305,7 +3305,7 @@ NTSTATUS WINAPI NtFlushBuffersFile( HANDLE hFile, IO_STATUS_BLOCK *io )
     enum server_fd_type type;
     int fd, needs_close;
 
-    if (!io || !virtual_check_buffer_for_write( io, sizeof(io) )) return STATUS_ACCESS_VIOLATION;
+    if (!io || !virtual_check_buffer_for_write( io, sizeof(*io) )) return STATUS_ACCESS_VIOLATION;
 
     ret = server_get_unix_fd( hFile, FILE_WRITE_DATA, &fd, &needs_close, &type, NULL );
     if (ret == STATUS_ACCESS_DENIED)