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virtio: console: rename variable

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'ret' is a misnomer in discard_port_data() since we don't return the
value.  Rename it to 'err'.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Amit Shah
2011-09-14 13:06:44 +05:30
committed by Rusty Russell
parent d25a9ddae9
commit ce072a0cee
1 changed files with 5 additions and 6 deletions
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11
drivers/char/virtio_console.c
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@@ -387,8 +387,7 @@ static void discard_port_data(struct port *port)
{ {
struct port_buffer *buf; struct port_buffer *buf;
struct virtqueue *vq; struct virtqueue *vq;
unsigned int len; unsigned int len, err;
int ret;
if (!port->portdev) { if (!port->portdev) {
/* Device has been unplugged. vqs are already gone. */ /* Device has been unplugged. vqs are already gone. */
@@ -400,18 +399,18 @@ static void discard_port_data(struct port *port)
else else
buf = virtqueue_get_buf(vq, &len); buf = virtqueue_get_buf(vq, &len);
ret = 0; err = 0;
while (buf) { while (buf) {
if (add_inbuf(vq, buf) < 0) { if (add_inbuf(vq, buf) < 0) {
ret++; err++;
free_buf(buf); free_buf(buf);
} }
buf = virtqueue_get_buf(vq, &len); buf = virtqueue_get_buf(vq, &len);
} }
port->inbuf = NULL; port->inbuf = NULL;
if (ret) if (err)
dev_warn(port->dev, "Errors adding %d buffers back to vq\n", dev_warn(port->dev, "Errors adding %d buffers back to vq\n",
ret); err);
} }
static bool port_has_data(struct port *port) static bool port_has_data(struct port *port)