void tty_buffer_free_all(struct tty_port *port)
{
struct tty_bufhead *buf = &port->buf;
- struct tty_buffer *thead;
+ struct tty_buffer *p;
- while ((thead = buf->head) != NULL) {
- buf->head = thead->next;
- kfree(thead);
+ while ((p = buf->head) != NULL) {
+ buf->head = p->next;
+ kfree(p);
}
- while ((thead = buf->free) != NULL) {
- buf->free = thead->next;
- kfree(thead);
+ while ((p = buf->free) != NULL) {
+ buf->free = p->next;
+ kfree(p);
}
buf->tail = NULL;
buf->memory_used = 0;
static void __tty_buffer_flush(struct tty_port *port)
{
struct tty_bufhead *buf = &port->buf;
- struct tty_buffer *thead;
+ struct tty_buffer *next;
if (unlikely(buf->head == NULL))
return;
- while ((thead = buf->head->next) != NULL) {
+ while ((next = buf->head->next) != NULL) {
tty_buffer_free(port, buf->head);
- buf->head = thead;
+ buf->head = next;
}
WARN_ON(buf->head != buf->tail);
buf->head->read = buf->head->commit;