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https://github.com/torvalds/linux
synced 2024-10-03 09:48:02 +00:00
net: hdlc_fr: remove redundant blank lines
This patch removes some redundant blank lines. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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@ -60,7 +60,6 @@
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#define NLPID_CCITT_ANSI_LMI 0x08
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#define NLPID_CISCO_LMI 0x09
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#define LMI_CCITT_ANSI_DLCI 0 /* LMI DLCI */
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#define LMI_CISCO_DLCI 1023
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@ -86,7 +85,6 @@
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#define LMI_CCITT_CISCO_LENGTH 13 /* LMI frame lengths */
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#define LMI_ANSI_LENGTH 14
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struct fr_hdr {
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#if defined(__LITTLE_ENDIAN_BITFIELD)
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unsigned ea1: 1;
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@ -111,7 +109,6 @@ struct fr_hdr {
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#endif
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} __packed;
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struct pvc_device {
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struct net_device *frad;
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struct net_device *main;
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@ -149,29 +146,24 @@ struct frad_state {
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u8 rxseq; /* RX sequence number */
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};
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static int fr_ioctl(struct net_device *dev, struct ifreq *ifr);
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static inline u16 q922_to_dlci(u8 *hdr)
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{
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return ((hdr[0] & 0xFC) << 2) | ((hdr[1] & 0xF0) >> 4);
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}
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static inline void dlci_to_q922(u8 *hdr, u16 dlci)
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{
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hdr[0] = (dlci >> 2) & 0xFC;
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hdr[1] = ((dlci << 4) & 0xF0) | 0x01;
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}
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static inline struct frad_state* state(hdlc_device *hdlc)
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{
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return(struct frad_state *)(hdlc->state);
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}
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static inline struct pvc_device *find_pvc(hdlc_device *hdlc, u16 dlci)
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{
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struct pvc_device *pvc = state(hdlc)->first_pvc;
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@ -187,7 +179,6 @@ static inline struct pvc_device *find_pvc(hdlc_device *hdlc, u16 dlci)
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return NULL;
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}
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static struct pvc_device *add_pvc(struct net_device *dev, u16 dlci)
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{
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hdlc_device *hdlc = dev_to_hdlc(dev);
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@ -215,13 +206,11 @@ static struct pvc_device *add_pvc(struct net_device *dev, u16 dlci)
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return pvc;
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}
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static inline int pvc_is_used(struct pvc_device *pvc)
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{
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return pvc->main || pvc->ether;
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}
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static inline void pvc_carrier(int on, struct pvc_device *pvc)
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{
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if (on) {
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@ -241,7 +230,6 @@ static inline void pvc_carrier(int on, struct pvc_device *pvc)
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}
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}
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static inline void delete_unused_pvcs(hdlc_device *hdlc)
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{
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struct pvc_device **pvc_p = &state(hdlc)->first_pvc;
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@ -260,7 +248,6 @@ static inline void delete_unused_pvcs(hdlc_device *hdlc)
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}
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}
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static inline struct net_device **get_dev_p(struct pvc_device *pvc,
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int type)
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{
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@ -270,7 +257,6 @@ static inline struct net_device **get_dev_p(struct pvc_device *pvc,
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return &pvc->main;
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}
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static int fr_hard_header(struct sk_buff *skb, u16 dlci)
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{
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if (!skb->dev) { /* Control packets */
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@ -334,8 +320,6 @@ static int fr_hard_header(struct sk_buff *skb, u16 dlci)
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return 0;
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}
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static int pvc_open(struct net_device *dev)
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{
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struct pvc_device *pvc = dev->ml_priv;
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@ -354,8 +338,6 @@ static int pvc_open(struct net_device *dev)
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return 0;
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}
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static int pvc_close(struct net_device *dev)
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{
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struct pvc_device *pvc = dev->ml_priv;
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@ -373,8 +355,6 @@ static int pvc_close(struct net_device *dev)
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return 0;
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}
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static int pvc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
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{
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struct pvc_device *pvc = dev->ml_priv;
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@ -465,15 +445,12 @@ static inline void fr_log_dlci_active(struct pvc_device *pvc)
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pvc->state.active ? "active" : "inactive");
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}
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static inline u8 fr_lmi_nextseq(u8 x)
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{
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x++;
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return x ? x : 1;
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}
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static void fr_lmi_send(struct net_device *dev, int fullrep)
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{
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hdlc_device *hdlc = dev_to_hdlc(dev);
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@ -569,8 +546,6 @@ static void fr_lmi_send(struct net_device *dev, int fullrep)
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dev_queue_xmit(skb);
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}
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static void fr_set_link_state(int reliable, struct net_device *dev)
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{
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hdlc_device *hdlc = dev_to_hdlc(dev);
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@ -603,7 +578,6 @@ static void fr_set_link_state(int reliable, struct net_device *dev)
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}
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}
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static void fr_timer(struct timer_list *t)
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{
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struct frad_state *st = from_timer(st, t, timer);
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@ -655,7 +629,6 @@ static void fr_timer(struct timer_list *t)
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add_timer(&state(hdlc)->timer);
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}
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static int fr_lmi_recv(struct net_device *dev, struct sk_buff *skb)
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{
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hdlc_device *hdlc = dev_to_hdlc(dev);
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@ -962,7 +935,6 @@ static int fr_rx(struct sk_buff *skb)
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pvc->state.becn ^= 1;
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}
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if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) {
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frad->stats.rx_dropped++;
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return NET_RX_DROP;
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@ -1018,8 +990,6 @@ static int fr_rx(struct sk_buff *skb)
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return NET_RX_DROP;
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}
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static void fr_start(struct net_device *dev)
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{
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hdlc_device *hdlc = dev_to_hdlc(dev);
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@ -1044,7 +1014,6 @@ static void fr_start(struct net_device *dev)
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fr_set_link_state(1, dev);
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}
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static void fr_stop(struct net_device *dev)
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{
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hdlc_device *hdlc = dev_to_hdlc(dev);
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@ -1056,7 +1025,6 @@ static void fr_stop(struct net_device *dev)
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fr_set_link_state(0, dev);
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}
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static void fr_close(struct net_device *dev)
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{
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hdlc_device *hdlc = dev_to_hdlc(dev);
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@ -1071,7 +1039,6 @@ static void fr_close(struct net_device *dev)
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}
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}
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static void pvc_setup(struct net_device *dev)
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{
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dev->type = ARPHRD_DLCI;
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@ -1147,8 +1114,6 @@ static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type)
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return 0;
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}
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static int fr_del_pvc(hdlc_device *hdlc, unsigned int dlci, int type)
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{
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struct pvc_device *pvc;
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@ -1174,8 +1139,6 @@ static int fr_del_pvc(hdlc_device *hdlc, unsigned int dlci, int type)
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return 0;
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}
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static void fr_destroy(struct net_device *frad)
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{
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hdlc_device *hdlc = dev_to_hdlc(frad);
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@ -1198,7 +1161,6 @@ static void fr_destroy(struct net_device *frad)
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}
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}
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static struct hdlc_proto proto = {
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.close = fr_close,
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.start = fr_start,
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@ -1209,7 +1171,6 @@ static struct hdlc_proto proto = {
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.module = THIS_MODULE,
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};
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static int fr_ioctl(struct net_device *dev, struct ifreq *ifr)
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{
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fr_proto __user *fr_s = ifr->ifr_settings.ifs_ifsu.fr;
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@ -1309,20 +1270,17 @@ static int fr_ioctl(struct net_device *dev, struct ifreq *ifr)
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return -EINVAL;
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}
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static int __init mod_init(void)
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{
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register_hdlc_protocol(&proto);
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return 0;
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}
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static void __exit mod_exit(void)
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{
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unregister_hdlc_protocol(&proto);
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}
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module_init(mod_init);
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module_exit(mod_exit);
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