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virtio_console: Free buffers from out-queue upon close 

Free pending output buffers from the virtio out-queue when
host has acknowledged port_close.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (rebased & cut down)
This commit is contained in:
sjur.brandeland@stericsson.com 2012-11-16 11:20:19 +10:30 committed by Rusty Russell
parent 800ba5eabf
commit eb34f12b50
1 changed files with 4 additions and 0 deletions
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4
drivers/char/virtio_console.c
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@ -1439,6 +1439,10 @@ static void remove_port_data(struct port *port)
/* Remove buffers we queued up for the Host to send us data in. */
while ((buf = virtqueue_detach_unused_buf(port->in_vq)))
free_buf(buf);
/* Free pending buffers from the out-queue. */
while ((buf = virtqueue_detach_unused_buf(port->out_vq)))
free_buf(buf);
}
/*