for (p = buf, count = 0; count < len; p++, count++) {
if (card->msg_buf_read == card->msg_buf_write)
return count;
- put_user(*card->msg_buf_read++, p);
+ if (put_user(*card->msg_buf_read++, p))
+ return -EFAULT;
if (card->msg_buf_read > card->msg_buf_end)
card->msg_buf_read = card->msg_buf;
}
icn_card *card;
int i;
- if (!(card = (icn_card *) kmalloc(sizeof(icn_card), GFP_KERNEL))) {
+ if (!(card = kzalloc(sizeof(icn_card), GFP_KERNEL))) {
printk(KERN_WARNING
"icn: (%s) Could not allocate card-struct.\n", id);
return (icn_card *) 0;
}
- memset((char *) card, 0, sizeof(icn_card));
spin_lock_init(&card->lock);
card->port = port;
card->interface.owner = THIS_MODULE;