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path: root/drivers/tty/hvc
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Diffstat (limited to 'drivers/tty/hvc')
-rw-r--r--drivers/tty/hvc/hvc_console.c4
-rw-r--r--drivers/tty/hvc/hvcs.c2
-rw-r--r--drivers/tty/hvc/hvsi.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index e46d62899..ce8648753 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -632,7 +632,7 @@ int hvc_poll(struct hvc_struct *hp)
goto bail;
/* Now check if we can get data (are we throttled ?) */
- if (test_bit(TTY_THROTTLED, &tty->flags))
+ if (tty_throttled(tty))
goto throttled;
/* If we aren't notifier driven and aren't throttled, we always
@@ -814,7 +814,7 @@ static int hvc_poll_get_char(struct tty_driver *driver, int line)
n = hp->ops->get_chars(hp->vtermno, &ch, 1);
- if (n == 0)
+ if (n <= 0)
return NO_POLL_CHAR;
return ch;
diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c
index 5997b1731..3c4d7c2b4 100644
--- a/drivers/tty/hvc/hvcs.c
+++ b/drivers/tty/hvc/hvcs.c
@@ -600,7 +600,7 @@ static int hvcs_io(struct hvcs_struct *hvcsd)
hvcs_try_write(hvcsd);
- if (!tty || test_bit(TTY_THROTTLED, &tty->flags)) {
+ if (!tty || tty_throttled(tty)) {
hvcsd->todo_mask &= ~(HVCS_READ_MASK);
goto bail;
} else if (!(hvcsd->todo_mask & (HVCS_READ_MASK)))
diff --git a/drivers/tty/hvc/hvsi.c b/drivers/tty/hvc/hvsi.c
index a75146f60..96ce6bd1c 100644
--- a/drivers/tty/hvc/hvsi.c
+++ b/drivers/tty/hvc/hvsi.c
@@ -509,7 +509,7 @@ static irqreturn_t hvsi_interrupt(int irq, void *arg)
}
spin_lock_irqsave(&hp->lock, flags);
- if (tty && hp->n_throttle && !test_bit(TTY_THROTTLED, &tty->flags)) {
+ if (tty && hp->n_throttle && !tty_throttled(tty)) {
/* we weren't hung up and we weren't throttled, so we can
* deliver the rest now */
hvsi_send_overflow(hp);