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virtio-console: Also throttle when less was written then requested

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This is necessary so that we get properly woken up to write the rest.

This patch also changes the len argument to the have_data callback, to
avoid doing an unsigned signed comparison.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Hans de Goede 2013-04-05 11:30:19 +02:00 • committed by Gerd Hoffmann
parent 8bb9f51ca2
commit f9fb0532fb
2 changed files with 6 additions and 4 deletions
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2
include/hw/virtio/virtio-serial.h
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@ -104,7 +104,7 @@ typedef struct VirtIOSerialPortClass {
* 'len'. In this case, throttling will be enabled for this port.
*/
ssize_t (*have_data)(VirtIOSerialPort *port, const uint8_t *buf,
size_t len);
ssize_t len);
} VirtIOSerialPortClass;
/*