X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fisdn%2Fhysdn%2Fhysdn_procconf.c;h=484299b031f82d49b91dfeb303099a1920824933;hb=e86322f611eef95aafaf726fd3965e5b211f1985;hp=27d890b48f88a6d7d9fab0e78c6a596870391411;hpb=92633b72d18ca4f25de1f28e436a882159491e7e;p=linux-2.6 diff --git a/drivers/isdn/hysdn/hysdn_procconf.c b/drivers/isdn/hysdn/hysdn_procconf.c index 27d890b48f..484299b031 100644 --- a/drivers/isdn/hysdn/hysdn_procconf.c +++ b/drivers/isdn/hysdn/hysdn_procconf.c @@ -207,30 +207,17 @@ hysdn_conf_write(struct file *file, const char __user *buf, size_t count, loff_t /* read conf file -> output card info data */ /*******************************************/ static ssize_t -hysdn_conf_read(struct file *file, char __user *buf, size_t count, loff_t * off) +hysdn_conf_read(struct file *file, char __user *buf, size_t count, loff_t *off) { char *cp; - int i; - if (file->f_mode & FMODE_READ) { - if (!(cp = file->private_data)) - return (-EFAULT); /* should never happen */ - i = strlen(cp); /* get total string length */ - if (*off < i) { - /* still bytes to transfer */ - cp += *off; /* point to desired data offset */ - i -= *off; /* remaining length */ - if (i > count) - i = count; /* limit length to transfer */ - if (copy_to_user(buf, cp, i)) - return (-EFAULT); /* copy error */ - *off += i; /* adjust offset */ - } else - return (0); - } else - return (-EPERM); /* no permission to read */ - - return (i); + if (!(file->f_mode & FMODE_READ)) + return -EPERM; /* no permission to read */ + + if (!(cp = file->private_data)) + return -EFAULT; /* should never happen */ + + return simple_read_from_buffer(buf, count, off, cp, strlen(cp)); } /* hysdn_conf_read */ /******************/ @@ -370,6 +357,7 @@ hysdn_conf_close(struct inode *ino, struct file *filep) /******************************************************/ static const struct file_operations conf_fops = { + .owner = THIS_MODULE, .llseek = no_llseek, .read = hysdn_conf_read, .write = hysdn_conf_write, @@ -402,11 +390,10 @@ hysdn_procconf_init(void) while (card) { sprintf(conf_name, "%s%d", PROC_CONF_BASENAME, card->myid); - if ((card->procconf = (void *) create_proc_entry(conf_name, - S_IFREG | S_IRUGO | S_IWUSR, - hysdn_proc_entry)) != NULL) { - ((struct proc_dir_entry *) card->procconf)->proc_fops = &conf_fops; - ((struct proc_dir_entry *) card->procconf)->owner = THIS_MODULE; + if ((card->procconf = (void *) proc_create(conf_name, + S_IFREG | S_IRUGO | S_IWUSR, + hysdn_proc_entry, + &conf_fops)) != NULL) { hysdn_proclog_init(card); /* init the log file entry */ } card = card->next; /* next entry */