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Diffstat (limited to '')
| -rw-r--r-- | arch/um/drivers/line.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index 3e0b68e297f2..b4538dfb4820 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -216,18 +216,15 @@ int line_write(struct tty_struct *tty, const unsigned char *buf, int len) { struct line *line = tty->driver_data; unsigned long flags; - int n, err, ret = 0; + int n, ret = 0; if(tty->stopped) return 0; spin_lock_irqsave(&line->lock, flags); - if (line->head != line->tail) { + if (line->head != line->tail) ret = buffer_data(line, buf, len); - err = flush_buffer(line); - if (err <= 0 && (err != -EAGAIN || !ret)) - ret = err; - } else { + else { n = write_chan(&line->chan_list, buf, len, line->driver->write_irq); if (n < 0) { |