diff options
| author | Thomas Huth <thuth@redhat.com> | 2016-11-18 10:09:37 +0100 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-11-23 12:00:48 +1100 |
| commit | 8a273cbe53221d28abfc98f33a0d057b26e53d6a (patch) | |
| tree | 4cc83f7dbbfacf62b6bb95f98c950f636568071f | |
| parent | 0d28aa197dd91d1bd3bc1bdc46b0eca306460040 (diff) | |
hw/char/spapr_vty: Return amount of free buffer entries in vty_can_receive()
The can_receive() callbacks of the character devices should return
the amount of characters that can be accepted at once, not just a
boolean value (which rather means only one character at a time).
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| -rw-r--r-- | hw/char/spapr_vty.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/char/spapr_vty.c b/hw/char/spapr_vty.c index 06b9b3917f..7c22b8bd0e 100644 --- a/hw/char/spapr_vty.c +++ b/hw/char/spapr_vty.c @@ -25,7 +25,7 @@ static int vty_can_receive(void *opaque) { VIOsPAPRVTYDevice *dev = VIO_SPAPR_VTY_DEVICE(opaque); - return (dev->in - dev->out) < VTERM_BUFSIZE; + return VTERM_BUFSIZE - (dev->in - dev->out); } static void vty_receive(void *opaque, const uint8_t *buf, int size) |