From baef823cd550449bfbcc36625b9571389d8ad1af Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Wed, 13 Sep 2017 09:22:19 +0200
Subject: libio: Add hold/drop iop reference

Check iop reference count in close() and return -1 with errno set to
EBUSY in case the file descriptor is still in use.

Update #3132.
---
 cpukit/libcsupport/src/ftruncate.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'cpukit/libcsupport/src/ftruncate.c')

diff --git a/cpukit/libcsupport/src/ftruncate.c b/cpukit/libcsupport/src/ftruncate.c
index 401510b2ff..99a9c6b5ef 100644
--- a/cpukit/libcsupport/src/ftruncate.c
+++ b/cpukit/libcsupport/src/ftruncate.c
@@ -32,6 +32,7 @@ int ftruncate( int fd, off_t length )
     LIBIO_GET_IOP_WITH_ACCESS( fd, iop, LIBIO_FLAGS_WRITE, EINVAL );
 
     rv = (*iop->pathinfo.handlers->ftruncate_h)( iop, length );
+    rtems_libio_iop_drop( iop );
   } else {
     errno = EINVAL;
     rv = -1;
-- 
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