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-rw-r--r--cpukit/libcsupport/src/libio.c32
1 files changed, 2 insertions, 30 deletions
diff --git a/cpukit/libcsupport/src/libio.c b/cpukit/libcsupport/src/libio.c
index e89634f090..22be6411a2 100644
--- a/cpukit/libcsupport/src/libio.c
+++ b/cpukit/libcsupport/src/libio.c
@@ -138,36 +138,8 @@ void rtems_libio_free(
rtems_libio_lock();
iop->flags = 0;
- /* If the mapping_refcnt is non-zero, the deferred free will be
- * called by munmap. The iop is no longer good to use, but it cannot
- * be recycled until the mapped file is unmapped. deferred free knows
- * it can recycle the iop in case flags == 0 and iop->data1 == iop,
- * since these two conditions are not otherwise satisifed at
- * the same time. It may be possible that iop->data1 == iop when
- * flags != 0 because data1 is private to the driver. However, flags == 0
- * means a freed iop, and an iop on the freelist cannot store a pointer
- * to itself in data1, or else the freelist is corrupted. We can't use
- * NULL in data1 as an indicator because it is used by the tail of the
- * freelist. */
- if ( iop->mapping_refcnt == 0 ) {
- iop->data1 = rtems_libio_iop_freelist;
- rtems_libio_iop_freelist = iop;
- } else {
- iop->data1 = iop;
- }
+ iop->data1 = rtems_libio_iop_freelist;
+ rtems_libio_iop_freelist = iop;
rtems_libio_unlock();
}
-
-void rtems_libio_check_deferred_free(
- rtems_libio_t *iop
-)
-{
- rtems_libio_lock();
- if ( iop->mapping_refcnt == 0 && iop->flags == 0 && iop->data1 == iop) {
- /* No mappings and rtems_libio_free already called, recycle the iop */
- iop->data1 = rtems_libio_iop_freelist;
- rtems_libio_iop_freelist = iop;
- }
- rtems_libio_unlock();
-}