From 5ff7ef7911d100b6568c731b1d078f819da82d03 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Tue, 26 Jan 2010 11:40:07 +0000 Subject: net/atm/ioctl.c: checkpatch cleanups Spacing cleanups Moved EXPORT_SYMBOL Mostly 80 column wrapped. switch/case cleanups Signed-off-by: Joe Perches Signed-off-by: David S. Miller --- net/atm/ioctl.c | 195 ++++++++++++++++++++++++++++---------------------------- 1 file changed, 97 insertions(+), 98 deletions(-) (limited to 'net/atm') diff --git a/net/atm/ioctl.c b/net/atm/ioctl.c index b75afba1f72b..62dc8bfe6fe7 100644 --- a/net/atm/ioctl.c +++ b/net/atm/ioctl.c @@ -37,6 +37,7 @@ void register_atm_ioctl(struct atm_ioctl *ioctl) list_add_tail(&ioctl->list, &ioctl_list); mutex_unlock(&ioctl_mutex); } +EXPORT_SYMBOL(register_atm_ioctl); void deregister_atm_ioctl(struct atm_ioctl *ioctl) { @@ -44,129 +45,128 @@ void deregister_atm_ioctl(struct atm_ioctl *ioctl) list_del(&ioctl->list); mutex_unlock(&ioctl_mutex); } - -EXPORT_SYMBOL(register_atm_ioctl); EXPORT_SYMBOL(deregister_atm_ioctl); -static int do_vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg, int compat) +static int do_vcc_ioctl(struct socket *sock, unsigned int cmd, + unsigned long arg, int compat) { struct sock *sk = sock->sk; struct atm_vcc *vcc; int error; - struct list_head * pos; + struct list_head *pos; void __user *argp = (void __user *)arg; vcc = ATM_SD(sock); switch (cmd) { - case SIOCOUTQ: - if (sock->state != SS_CONNECTED || - !test_bit(ATM_VF_READY, &vcc->flags)) { - error = -EINVAL; - goto done; - } - error = put_user(sk->sk_sndbuf - sk_wmem_alloc_get(sk), - (int __user *) argp) ? -EFAULT : 0; + case SIOCOUTQ: + if (sock->state != SS_CONNECTED || + !test_bit(ATM_VF_READY, &vcc->flags)) { + error = -EINVAL; + goto done; + } + error = put_user(sk->sk_sndbuf - sk_wmem_alloc_get(sk), + (int __user *)argp) ? -EFAULT : 0; + goto done; + case SIOCINQ: + { + struct sk_buff *skb; + + if (sock->state != SS_CONNECTED) { + error = -EINVAL; goto done; - case SIOCINQ: - { - struct sk_buff *skb; - - if (sock->state != SS_CONNECTED) { - error = -EINVAL; - goto done; - } - skb = skb_peek(&sk->sk_receive_queue); - error = put_user(skb ? skb->len : 0, - (int __user *)argp) ? -EFAULT : 0; - goto done; - } - case SIOCGSTAMP: /* borrowed from IP */ + } + skb = skb_peek(&sk->sk_receive_queue); + error = put_user(skb ? skb->len : 0, + (int __user *)argp) ? -EFAULT : 0; + goto done; + } + case SIOCGSTAMP: /* borrowed from IP */ #ifdef CONFIG_COMPAT - if (compat) - error = compat_sock_get_timestamp(sk, argp); - else + if (compat) + error = compat_sock_get_timestamp(sk, argp); + else #endif - error = sock_get_timestamp(sk, argp); - goto done; - case SIOCGSTAMPNS: /* borrowed from IP */ + error = sock_get_timestamp(sk, argp); + goto done; + case SIOCGSTAMPNS: /* borrowed from IP */ #ifdef CONFIG_COMPAT - if (compat) - error = compat_sock_get_timestampns(sk, argp); - else + if (compat) + error = compat_sock_get_timestampns(sk, argp); + else #endif - error = sock_get_timestampns(sk, argp); + error = sock_get_timestampns(sk, argp); + goto done; + case ATM_SETSC: + if (net_ratelimit()) + pr_warning("ATM_SETSC is obsolete; used by %s:%d\n", + current->comm, task_pid_nr(current)); + error = 0; + goto done; + case ATMSIGD_CTRL: + if (!capable(CAP_NET_ADMIN)) { + error = -EPERM; goto done; - case ATM_SETSC: - if (net_ratelimit()) - pr_warning("ATM_SETSC is obsolete; used by %s:%d\n", - current->comm, task_pid_nr(current)); - error = 0; + } + /* + * The user/kernel protocol for exchanging signalling + * info uses kernel pointers as opaque references, + * so the holder of the file descriptor can scribble + * on the kernel... so we should make sure that we + * have the same privileges that /proc/kcore needs + */ + if (!capable(CAP_SYS_RAWIO)) { + error = -EPERM; goto done; - case ATMSIGD_CTRL: - if (!capable(CAP_NET_ADMIN)) { - error = -EPERM; - goto done; - } - /* - * The user/kernel protocol for exchanging signalling - * info uses kernel pointers as opaque references, - * so the holder of the file descriptor can scribble - * on the kernel... so we should make sure that we - * have the same privileges that /proc/kcore needs - */ - if (!capable(CAP_SYS_RAWIO)) { - error = -EPERM; - goto done; - } + } #ifdef CONFIG_COMPAT - /* WTF? I don't even want to _think_ about making this - work for 32-bit userspace. TBH I don't really want - to think about it at all. dwmw2. */ - if (compat) { - if (net_ratelimit()) - pr_warning("32-bit task cannot be atmsigd\n"); - error = -EINVAL; - goto done; - } + /* WTF? I don't even want to _think_ about making this + work for 32-bit userspace. TBH I don't really want + to think about it at all. dwmw2. */ + if (compat) { + if (net_ratelimit()) + pr_warning("32-bit task cannot be atmsigd\n"); + error = -EINVAL; + goto done; + } #endif - error = sigd_attach(vcc); - if (!error) - sock->state = SS_CONNECTED; + error = sigd_attach(vcc); + if (!error) + sock->state = SS_CONNECTED; + goto done; + case ATM_SETBACKEND: + case ATM_NEWBACKENDIF: + { + atm_backend_t backend; + error = get_user(backend, (atm_backend_t __user *)argp); + if (error) goto done; - case ATM_SETBACKEND: - case ATM_NEWBACKENDIF: - { - atm_backend_t backend; - error = get_user(backend, (atm_backend_t __user *) argp); - if (error) - goto done; - switch (backend) { - case ATM_BACKEND_PPP: - request_module("pppoatm"); - break; - case ATM_BACKEND_BR2684: - request_module("br2684"); - break; - } - } - break; - case ATMMPC_CTRL: - case ATMMPC_DATA: - request_module("mpoa"); - break; - case ATMARPD_CTRL: - request_module("clip"); + switch (backend) { + case ATM_BACKEND_PPP: + request_module("pppoatm"); break; - case ATMLEC_CTRL: - request_module("lec"); + case ATM_BACKEND_BR2684: + request_module("br2684"); break; + } + break; + } + case ATMMPC_CTRL: + case ATMMPC_DATA: + request_module("mpoa"); + break; + case ATMARPD_CTRL: + request_module("clip"); + break; + case ATMLEC_CTRL: + request_module("lec"); + break; } error = -ENOIOCTLCMD; mutex_lock(&ioctl_mutex); list_for_each(pos, &ioctl_list) { - struct atm_ioctl * ic = list_entry(pos, struct atm_ioctl, list); + struct atm_ioctl *ic = list_entry(pos, struct atm_ioctl, list); if (try_module_get(ic->owner)) { error = ic->ioctl(sock, cmd, arg); module_put(ic->owner); @@ -185,7 +185,6 @@ done: return error; } - int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) { return do_vcc_ioctl(sock, cmd, arg, 0); @@ -288,8 +287,8 @@ static int do_atmif_sioc(struct socket *sock, unsigned int cmd, sioc = compat_alloc_user_space(sizeof(*sioc)); sioc32 = compat_ptr(arg); - if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) - || get_user(data, &sioc32->arg)) + if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) || + get_user(data, &sioc32->arg)) return -EFAULT; datap = compat_ptr(data); if (put_user(datap, &sioc->arg)) -- cgit v1.2.3-58-ga151