[PATCH] Initialize IO_STATUS_BLOCK for pread, pwrite

[Mark Geisert]

---
 winsup/cygwin/fhandler_disk_file.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/winsup/cygwin/fhandler_disk_file.cc 
b/winsup/cygwin/fhandler_disk_file.cc
index 5dfcae4d9..2ead9948c 100644
--- a/winsup/cygwin/fhandler_disk_file.cc
+++ b/winsup/cygwin/fhandler_disk_file.cc
@@ -1548,7 +1548,7 @@ fhandler_disk_file::pread (void *buf, size_t count, off_t 
offset)
     {
       extern int __stdcall is_at_eof (HANDLE h);
       NTSTATUS status;
-      IO_STATUS_BLOCK io;
+      IO_STATUS_BLOCK io = {{0}, 0};
       LARGE_INTEGER off = { QuadPart:offset };
 
       if (!prw_handle && prw_open (false))
@@ -1630,7 +1630,7 @@ fhandler_disk_file::pwrite (void *buf, size_t count, 
off_t offset)
   if (wbinary () && !mandatory_locking ())
     {
       NTSTATUS status;
-      IO_STATUS_BLOCK io;
+      IO_STATUS_BLOCK io = {{0}, 0};
       LARGE_INTEGER off = { QuadPart:offset };
 
       if (!prw_handle && prw_open (true))
-- 
2.15.0