diff options
Diffstat (limited to 'c/src/lib/libc/termios.c')
| -rw-r--r-- | c/src/lib/libc/termios.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/c/src/lib/libc/termios.c b/c/src/lib/libc/termios.c index 3dd122dca1..c23da7ab31 100644 --- a/c/src/lib/libc/termios.c +++ b/c/src/lib/libc/termios.c @@ -324,19 +324,30 @@ rtems_termios_close (void *arg) drainOutput (tty); if (tty->device.lastClose) (*tty->device.lastClose)(tty->major, tty->minor, arg); - if (tty->forw == NULL) + if (tty->forw == NULL) { rtems_termios_ttyTail = tty->back; - else + if ( rtems_termios_ttyTail != NULL ) { + rtems_termios_ttyTail->forw = NULL; + } + } + else { tty->forw->back = tty->back; - if (tty->back == NULL) + } + if (tty->back == NULL) { rtems_termios_ttyHead = tty->forw; - else + if ( rtems_termios_ttyHead != NULL ) { + rtems_termios_ttyHead->back = NULL; + } + } + else { tty->back->forw = tty->forw; + } rtems_semaphore_delete (tty->isem); rtems_semaphore_delete (tty->osem); rtems_semaphore_delete (tty->rawOutBufSemaphore); if (!tty->device.pollRead) rtems_semaphore_delete (tty->rawInBufSemaphore); + free (tty->cbuf); free (tty); } rtems_semaphore_release (rtems_termios_ttyMutex); |