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/fcntl.c | 2 ++
 1 file changed, 2 insertions(+)

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

diff --git a/cpukit/libcsupport/src/fcntl.c b/cpukit/libcsupport/src/fcntl.c
index a7fcfbc041..ddbf5538f9 100644
--- a/cpukit/libcsupport/src/fcntl.c
+++ b/cpukit/libcsupport/src/fcntl.c
@@ -213,6 +213,8 @@ static int vfcntl(
       ret = -1;
     }
   }
+
+  rtems_libio_iop_drop( iop );
   return ret;
 }
 
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