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termios: Avoid second return path

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This commit is contained in:
Sebastian Huber
2013-06-10 14:10:49 +02:00
parent c7bc6d44cb
commit 2a8713aa54
1 changed files with 9 additions and 10 deletions
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19
cpukit/libcsupport/src/termios.c
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@@ -1322,20 +1322,19 @@ rtems_termios_refill_transmitter (struct rtems_termios_tty *tty)
rtems_interrupt_enable(level);
nToSend = 1;
} else {
if ( tty->rawOutBuf.Head == tty->rawOutBuf.Tail ) {
} else if ( tty->rawOutBuf.Head == tty->rawOutBuf.Tail ) {
/*
* buffer was empty
*/
if (tty->rawOutBufState == rob_wait) {
/*
* buffer was empty
* this should never happen...
*/
if (tty->rawOutBufState == rob_wait) {
/*
* this should never happen...
*/
rtems_semaphore_release (tty->rawOutBuf.Semaphore);
}
return 0;
rtems_semaphore_release (tty->rawOutBuf.Semaphore);
}
nToSend = 0;
} else {
rtems_interrupt_disable(level);
len = tty->t_dqlen;
tty->t_dqlen = 0;