return mask;
} /* end of n_hdlc_tty_poll() */
+static void n_hdlc_alloc_buf(struct n_hdlc_buf_list *list, unsigned int count,
+ const char *name)
+{
+ struct n_hdlc_buf *buf;
+ unsigned int i;
+
+ for (i = 0; i < count; i++) {
+ buf = kmalloc(struct_size(buf, buf, maxframe), GFP_KERNEL);
+ if (!buf) {
+ pr_debug("%s(%d)%s(), kmalloc() failed for %s buffer %u\n",
+ __FILE__, __LINE__, __func__, name, i);
+ return;
+ }
+ n_hdlc_buf_put(list, buf);
+ }
+}
+
/**
* n_hdlc_alloc - allocate an n_hdlc instance data structure
*
*/
static struct n_hdlc *n_hdlc_alloc(void)
{
- struct n_hdlc_buf *buf;
- int i;
struct n_hdlc *n_hdlc = kzalloc(sizeof(*n_hdlc), GFP_KERNEL);
if (!n_hdlc)
INIT_LIST_HEAD(&n_hdlc->rx_buf_list.list);
INIT_LIST_HEAD(&n_hdlc->tx_buf_list.list);
- /* allocate free rx buffer list */
- for(i=0;i<DEFAULT_RX_BUF_COUNT;i++) {
- buf = kmalloc(struct_size(buf, buf, maxframe), GFP_KERNEL);
- if (buf)
- n_hdlc_buf_put(&n_hdlc->rx_free_buf_list,buf);
- else
- pr_debug("%s(%d)%s(), kmalloc() failed for rx buffer %d\n",
- __FILE__, __LINE__, __func__, i);
- }
-
- /* allocate free tx buffer list */
- for(i=0;i<DEFAULT_TX_BUF_COUNT;i++) {
- buf = kmalloc(struct_size(buf, buf, maxframe), GFP_KERNEL);
- if (buf)
- n_hdlc_buf_put(&n_hdlc->tx_free_buf_list,buf);
- else
- pr_debug("%s(%d)%s(), kmalloc() failed for tx buffer %d\n",
- __FILE__, __LINE__, __func__, i);
- }
-
+ n_hdlc_alloc_buf(&n_hdlc->rx_free_buf_list, DEFAULT_RX_BUF_COUNT, "rx");
+ n_hdlc_alloc_buf(&n_hdlc->tx_free_buf_list, DEFAULT_TX_BUF_COUNT, "tx");
+
/* Initialize the control block */
n_hdlc->magic = HDLC_MAGIC;