USB: cdc-acm: clean up rx_buflimit references
Clean up references to rx_buflimit.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index e0f9feb..2d8d6b8 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -606,16 +606,15 @@
static void acm_tty_unregister(struct acm *acm)
{
- int i, nr;
+ int i;
- nr = acm->rx_buflimit;
tty_unregister_device(acm_tty_driver, acm->minor);
usb_put_intf(acm->control);
acm_table[acm->minor] = NULL;
usb_free_urb(acm->ctrlurb);
for (i = 0; i < ACM_NW; i++)
usb_free_urb(acm->wb[i].urb);
- for (i = 0; i < nr; i++)
+ for (i = 0; i < acm->rx_buflimit; i++)
usb_free_urb(acm->ru[i].urb);
kfree(acm->country_codes);
kfree(acm);
@@ -623,7 +622,8 @@
static void acm_port_down(struct acm *acm)
{
- int i, nr = acm->rx_buflimit;
+ int i;
+
mutex_lock(&open_mutex);
if (acm->dev) {
usb_autopm_get_interface(acm->control);
@@ -632,7 +632,7 @@
for (i = 0; i < ACM_NW; i++)
usb_kill_urb(acm->wb[i].urb);
tasklet_disable(&acm->urb_task);
- for (i = 0; i < nr; i++)
+ for (i = 0; i < acm->rx_buflimit; i++)
usb_kill_urb(acm->ru[i].urb);
tasklet_enable(&acm->urb_task);
acm->control->needs_remote_wakeup = 0;
@@ -882,9 +882,9 @@
static void acm_read_buffers_free(struct acm *acm)
{
struct usb_device *usb_dev = interface_to_usbdev(acm->control);
- int i, n = acm->rx_buflimit;
+ int i;
- for (i = 0; i < n; i++)
+ for (i = 0; i < acm->rx_buflimit; i++)
usb_free_coherent(usb_dev, acm->readsize,
acm->rb[i].base, acm->rb[i].dma);
}