forked from luck/tmp_suning_uos_patched
net/atm/resources.c: checkpatch cleanups
Spacing cleanups Mostly 80 column wrapped. Move embedded assigns out of tests Move trailing statements to new lines switch/case cleanups Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joe Perches
David S. Miller
parent
fa61f0cac8
commit
07b54c9ad4
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@ -71,7 +71,7 @@ struct atm_dev *atm_dev_lookup(int number)
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mutex_unlock(&atm_dev_mutex);
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return dev;
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}
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EXPORT_SYMBOL(atm_dev_lookup);
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struct atm_dev *atm_dev_register(const char *type, const struct atmdev_ops *ops,
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int number, unsigned long *flags)
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@ -85,7 +85,8 @@ struct atm_dev *atm_dev_register(const char *type, const struct atmdev_ops *ops,
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}
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mutex_lock(&atm_dev_mutex);
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if (number != -1) {
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if ((inuse = __atm_dev_lookup(number))) {
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inuse = __atm_dev_lookup(number);
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if (inuse) {
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atm_dev_put(inuse);
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mutex_unlock(&atm_dev_mutex);
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kfree(dev);
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@ -130,7 +131,7 @@ struct atm_dev *atm_dev_register(const char *type, const struct atmdev_ops *ops,
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dev = NULL;
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goto out;
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}
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EXPORT_SYMBOL(atm_dev_register);
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void atm_dev_deregister(struct atm_dev *dev)
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{
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@ -152,7 +153,7 @@ void atm_dev_deregister(struct atm_dev *dev)
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atm_dev_put(dev);
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}
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EXPORT_SYMBOL(atm_dev_deregister);
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static void copy_aal_stats(struct k_atm_aal_stats *from,
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struct atm_aal_stats *to)
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@ -162,7 +163,6 @@ static void copy_aal_stats(struct k_atm_aal_stats *from,
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#undef __HANDLE_ITEM
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}
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static void subtract_aal_stats(struct k_atm_aal_stats *from,
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struct atm_aal_stats *to)
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{
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@ -171,8 +171,8 @@ static void subtract_aal_stats(struct k_atm_aal_stats *from,
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#undef __HANDLE_ITEM
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}
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static int fetch_stats(struct atm_dev *dev, struct atm_dev_stats __user *arg, int zero)
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static int fetch_stats(struct atm_dev *dev, struct atm_dev_stats __user *arg,
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int zero)
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{
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struct atm_dev_stats tmp;
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int error = 0;
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@ -190,7 +190,6 @@ static int fetch_stats(struct atm_dev *dev, struct atm_dev_stats __user *arg, in
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return error ? -EFAULT : 0;
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}
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int atm_dev_ioctl(unsigned int cmd, void __user *arg, int compat)
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{
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void __user *buf;
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@ -206,50 +205,49 @@ int atm_dev_ioctl(unsigned int cmd, void __user *arg, int compat)
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#endif
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switch (cmd) {
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case ATM_GETNAMES:
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if (compat) {
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case ATM_GETNAMES:
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if (compat) {
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#ifdef CONFIG_COMPAT
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struct compat_atm_iobuf __user *ciobuf = arg;
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compat_uptr_t cbuf;
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iobuf_len = &ciobuf->length;
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if (get_user(cbuf, &ciobuf->buffer))
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return -EFAULT;
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buf = compat_ptr(cbuf);
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#endif
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} else {
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struct atm_iobuf __user *iobuf = arg;
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iobuf_len = &iobuf->length;
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if (get_user(buf, &iobuf->buffer))
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return -EFAULT;
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}
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if (get_user(len, iobuf_len))
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struct compat_atm_iobuf __user *ciobuf = arg;
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compat_uptr_t cbuf;
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iobuf_len = &ciobuf->length;
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if (get_user(cbuf, &ciobuf->buffer))
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return -EFAULT;
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mutex_lock(&atm_dev_mutex);
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list_for_each(p, &atm_devs)
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size += sizeof(int);
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if (size > len) {
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mutex_unlock(&atm_dev_mutex);
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return -E2BIG;
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}
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tmp_buf = kmalloc(size, GFP_ATOMIC);
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if (!tmp_buf) {
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mutex_unlock(&atm_dev_mutex);
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return -ENOMEM;
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}
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tmp_p = tmp_buf;
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list_for_each(p, &atm_devs) {
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dev = list_entry(p, struct atm_dev, dev_list);
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*tmp_p++ = dev->number;
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}
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buf = compat_ptr(cbuf);
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#endif
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} else {
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struct atm_iobuf __user *iobuf = arg;
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iobuf_len = &iobuf->length;
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if (get_user(buf, &iobuf->buffer))
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return -EFAULT;
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}
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if (get_user(len, iobuf_len))
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return -EFAULT;
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mutex_lock(&atm_dev_mutex);
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list_for_each(p, &atm_devs)
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size += sizeof(int);
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if (size > len) {
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mutex_unlock(&atm_dev_mutex);
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error = ((copy_to_user(buf, tmp_buf, size)) ||
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put_user(size, iobuf_len))
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? -EFAULT : 0;
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kfree(tmp_buf);
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return error;
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default:
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break;
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return -E2BIG;
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}
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tmp_buf = kmalloc(size, GFP_ATOMIC);
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if (!tmp_buf) {
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mutex_unlock(&atm_dev_mutex);
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return -ENOMEM;
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}
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tmp_p = tmp_buf;
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list_for_each(p, &atm_devs) {
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dev = list_entry(p, struct atm_dev, dev_list);
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*tmp_p++ = dev->number;
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}
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mutex_unlock(&atm_dev_mutex);
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error = ((copy_to_user(buf, tmp_buf, size)) ||
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put_user(size, iobuf_len))
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? -EFAULT : 0;
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kfree(tmp_buf);
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return error;
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default:
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break;
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}
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if (compat) {
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@ -278,166 +276,167 @@ int atm_dev_ioctl(unsigned int cmd, void __user *arg, int compat)
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if (get_user(number, &sioc->number))
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return -EFAULT;
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}
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if (!(dev = try_then_request_module(atm_dev_lookup(number),
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"atm-device-%d", number)))
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dev = try_then_request_module(atm_dev_lookup(number), "atm-device-%d",
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number);
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if (!dev)
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return -ENODEV;
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switch (cmd) {
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case ATM_GETTYPE:
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size = strlen(dev->type) + 1;
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if (copy_to_user(buf, dev->type, size)) {
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error = -EFAULT;
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goto done;
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}
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break;
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case ATM_GETESI:
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size = ESI_LEN;
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if (copy_to_user(buf, dev->esi, size)) {
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error = -EFAULT;
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goto done;
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}
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break;
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case ATM_SETESI:
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{
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int i;
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for (i = 0; i < ESI_LEN; i++)
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if (dev->esi[i]) {
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error = -EEXIST;
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goto done;
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}
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}
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/* fall through */
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case ATM_SETESIF:
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{
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unsigned char esi[ESI_LEN];
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if (!capable(CAP_NET_ADMIN)) {
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error = -EPERM;
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goto done;
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}
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if (copy_from_user(esi, buf, ESI_LEN)) {
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error = -EFAULT;
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goto done;
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}
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memcpy(dev->esi, esi, ESI_LEN);
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error = ESI_LEN;
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goto done;
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}
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case ATM_GETSTATZ:
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if (!capable(CAP_NET_ADMIN)) {
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error = -EPERM;
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goto done;
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}
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/* fall through */
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case ATM_GETSTAT:
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size = sizeof(struct atm_dev_stats);
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error = fetch_stats(dev, buf, cmd == ATM_GETSTATZ);
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if (error)
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goto done;
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break;
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case ATM_GETCIRANGE:
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size = sizeof(struct atm_cirange);
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if (copy_to_user(buf, &dev->ci_range, size)) {
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error = -EFAULT;
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goto done;
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}
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break;
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case ATM_GETLINKRATE:
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size = sizeof(int);
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if (copy_to_user(buf, &dev->link_rate, size)) {
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error = -EFAULT;
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goto done;
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}
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break;
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case ATM_RSTADDR:
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if (!capable(CAP_NET_ADMIN)) {
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error = -EPERM;
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goto done;
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}
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atm_reset_addr(dev, ATM_ADDR_LOCAL);
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break;
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case ATM_ADDADDR:
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case ATM_DELADDR:
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case ATM_ADDLECSADDR:
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case ATM_DELLECSADDR:
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if (!capable(CAP_NET_ADMIN)) {
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error = -EPERM;
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goto done;
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}
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{
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struct sockaddr_atmsvc addr;
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if (copy_from_user(&addr, buf, sizeof(addr))) {
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error = -EFAULT;
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goto done;
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}
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if (cmd == ATM_ADDADDR || cmd == ATM_ADDLECSADDR)
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error = atm_add_addr(dev, &addr,
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(cmd == ATM_ADDADDR ?
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ATM_ADDR_LOCAL : ATM_ADDR_LECS));
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else
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error = atm_del_addr(dev, &addr,
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(cmd == ATM_DELADDR ?
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ATM_ADDR_LOCAL : ATM_ADDR_LECS));
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goto done;
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}
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case ATM_GETADDR:
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case ATM_GETLECSADDR:
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error = atm_get_addr(dev, buf, len,
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(cmd == ATM_GETADDR ?
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ATM_ADDR_LOCAL : ATM_ADDR_LECS));
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if (error < 0)
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goto done;
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size = error;
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/* may return 0, but later on size == 0 means "don't
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write the length" */
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error = put_user(size, sioc_len)
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? -EFAULT : 0;
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case ATM_GETTYPE:
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size = strlen(dev->type) + 1;
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if (copy_to_user(buf, dev->type, size)) {
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error = -EFAULT;
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goto done;
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case ATM_SETLOOP:
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if (__ATM_LM_XTRMT((int) (unsigned long) buf) &&
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__ATM_LM_XTLOC((int) (unsigned long) buf) >
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__ATM_LM_XTRMT((int) (unsigned long) buf)) {
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error = -EINVAL;
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goto done;
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}
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/* fall through */
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case ATM_SETCIRANGE:
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case SONET_GETSTATZ:
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case SONET_SETDIAG:
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case SONET_CLRDIAG:
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case SONET_SETFRAMING:
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if (!capable(CAP_NET_ADMIN)) {
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error = -EPERM;
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goto done;
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}
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/* fall through */
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default:
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if (compat) {
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#ifdef CONFIG_COMPAT
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if (!dev->ops->compat_ioctl) {
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error = -EINVAL;
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goto done;
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}
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size = dev->ops->compat_ioctl(dev, cmd, buf);
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#endif
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} else {
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if (!dev->ops->ioctl) {
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error = -EINVAL;
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goto done;
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}
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size = dev->ops->ioctl(dev, cmd, buf);
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}
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if (size < 0) {
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error = (size == -ENOIOCTLCMD ? -EINVAL : size);
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}
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break;
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case ATM_GETESI:
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size = ESI_LEN;
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if (copy_to_user(buf, dev->esi, size)) {
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error = -EFAULT;
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goto done;
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}
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break;
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case ATM_SETESI:
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{
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int i;
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for (i = 0; i < ESI_LEN; i++)
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if (dev->esi[i]) {
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error = -EEXIST;
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goto done;
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}
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}
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/* fall through */
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case ATM_SETESIF:
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{
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unsigned char esi[ESI_LEN];
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if (!capable(CAP_NET_ADMIN)) {
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error = -EPERM;
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goto done;
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}
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if (copy_from_user(esi, buf, ESI_LEN)) {
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error = -EFAULT;
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goto done;
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}
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memcpy(dev->esi, esi, ESI_LEN);
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error = ESI_LEN;
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goto done;
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}
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case ATM_GETSTATZ:
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if (!capable(CAP_NET_ADMIN)) {
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error = -EPERM;
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goto done;
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}
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/* fall through */
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case ATM_GETSTAT:
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size = sizeof(struct atm_dev_stats);
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error = fetch_stats(dev, buf, cmd == ATM_GETSTATZ);
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if (error)
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goto done;
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break;
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case ATM_GETCIRANGE:
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size = sizeof(struct atm_cirange);
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if (copy_to_user(buf, &dev->ci_range, size)) {
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error = -EFAULT;
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goto done;
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}
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break;
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case ATM_GETLINKRATE:
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size = sizeof(int);
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if (copy_to_user(buf, &dev->link_rate, size)) {
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error = -EFAULT;
|
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goto done;
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}
|
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break;
|
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case ATM_RSTADDR:
|
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if (!capable(CAP_NET_ADMIN)) {
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error = -EPERM;
|
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goto done;
|
||||
}
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atm_reset_addr(dev, ATM_ADDR_LOCAL);
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break;
|
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case ATM_ADDADDR:
|
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case ATM_DELADDR:
|
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case ATM_ADDLECSADDR:
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case ATM_DELLECSADDR:
|
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{
|
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struct sockaddr_atmsvc addr;
|
||||
|
||||
if (!capable(CAP_NET_ADMIN)) {
|
||||
error = -EPERM;
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (copy_from_user(&addr, buf, sizeof(addr))) {
|
||||
error = -EFAULT;
|
||||
goto done;
|
||||
}
|
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if (cmd == ATM_ADDADDR || cmd == ATM_ADDLECSADDR)
|
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error = atm_add_addr(dev, &addr,
|
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(cmd == ATM_ADDADDR ?
|
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ATM_ADDR_LOCAL : ATM_ADDR_LECS));
|
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else
|
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error = atm_del_addr(dev, &addr,
|
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(cmd == ATM_DELADDR ?
|
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ATM_ADDR_LOCAL : ATM_ADDR_LECS));
|
||||
goto done;
|
||||
}
|
||||
case ATM_GETADDR:
|
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case ATM_GETLECSADDR:
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error = atm_get_addr(dev, buf, len,
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(cmd == ATM_GETADDR ?
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ATM_ADDR_LOCAL : ATM_ADDR_LECS));
|
||||
if (error < 0)
|
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goto done;
|
||||
size = error;
|
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/* may return 0, but later on size == 0 means "don't
|
||||
write the length" */
|
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error = put_user(size, sioc_len) ? -EFAULT : 0;
|
||||
goto done;
|
||||
case ATM_SETLOOP:
|
||||
if (__ATM_LM_XTRMT((int) (unsigned long) buf) &&
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__ATM_LM_XTLOC((int) (unsigned long) buf) >
|
||||
__ATM_LM_XTRMT((int) (unsigned long) buf)) {
|
||||
error = -EINVAL;
|
||||
goto done;
|
||||
}
|
||||
/* fall through */
|
||||
case ATM_SETCIRANGE:
|
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case SONET_GETSTATZ:
|
||||
case SONET_SETDIAG:
|
||||
case SONET_CLRDIAG:
|
||||
case SONET_SETFRAMING:
|
||||
if (!capable(CAP_NET_ADMIN)) {
|
||||
error = -EPERM;
|
||||
goto done;
|
||||
}
|
||||
/* fall through */
|
||||
default:
|
||||
if (compat) {
|
||||
#ifdef CONFIG_COMPAT
|
||||
if (!dev->ops->compat_ioctl) {
|
||||
error = -EINVAL;
|
||||
goto done;
|
||||
}
|
||||
size = dev->ops->compat_ioctl(dev, cmd, buf);
|
||||
#endif
|
||||
} else {
|
||||
if (!dev->ops->ioctl) {
|
||||
error = -EINVAL;
|
||||
goto done;
|
||||
}
|
||||
size = dev->ops->ioctl(dev, cmd, buf);
|
||||
}
|
||||
if (size < 0) {
|
||||
error = (size == -ENOIOCTLCMD ? -EINVAL : size);
|
||||
goto done;
|
||||
}
|
||||
}
|
||||
|
||||
if (size)
|
||||
error = put_user(size, sioc_len)
|
||||
? -EFAULT : 0;
|
||||
error = put_user(size, sioc_len) ? -EFAULT : 0;
|
||||
else
|
||||
error = 0;
|
||||
done:
|
||||
|
|
@ -445,7 +444,7 @@ int atm_dev_ioctl(unsigned int cmd, void __user *arg, int compat)
|
|||
return error;
|
||||
}
|
||||
|
||||
static __inline__ void *dev_get_idx(loff_t left)
|
||||
static inline void *dev_get_idx(loff_t left)
|
||||
{
|
||||
struct list_head *p;
|
||||
|
||||
|
|
@ -474,8 +473,3 @@ void *atm_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
|
|||
? atm_devs.next : ((struct list_head *)v)->next;
|
||||
return (v == &atm_devs) ? NULL : v;
|
||||
}
|
||||
|
||||
|
||||
EXPORT_SYMBOL(atm_dev_register);
|
||||
EXPORT_SYMBOL(atm_dev_deregister);
|
||||
EXPORT_SYMBOL(atm_dev_lookup);
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user