staging: wilc1000: refactor tcp_process() to avoid extra leading tabs

Refactor tcp_process() to avoid unnecessary leading tabs in the
function.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c
index 6787b6e..bf45b4c 100644 (file)
--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -162,42 +162,46 @@ static inline void tcp_process(struct net_device *dev, struct txq_entry_t *tqe)
        unsigned long flags;
        struct wilc_vif *vif = netdev_priv(dev);
        struct wilc *wilc = vif->wilc;
+       const struct iphdr *ip_hdr_ptr;
+       const struct tcphdr *tcp_hdr_ptr;
+       u32 IHL, total_length, data_offset;
 
        spin_lock_irqsave(&wilc->txq_spinlock, flags);
 
-       if (eth_hdr_ptr->h_proto == htons(ETH_P_IP)) {
-               const struct iphdr *ip_hdr_ptr = buffer + ETH_HLEN;
+       if (eth_hdr_ptr->h_proto != htons(ETH_P_IP))
+               goto out;
 
-               if (ip_hdr_ptr->protocol == IPPROTO_TCP) {
-                       const struct tcphdr *tcp_hdr_ptr;
-                       u32 IHL, total_length, data_offset;
+       ip_hdr_ptr = buffer + ETH_HLEN;
 
-                       IHL = ip_hdr_ptr->ihl << 2;
-                       tcp_hdr_ptr = buffer + ETH_HLEN + IHL;
-                       total_length = ntohs(ip_hdr_ptr->tot_len);
+       if (ip_hdr_ptr->protocol != IPPROTO_TCP)
+               goto out;
 
-                       data_offset = tcp_hdr_ptr->doff << 2;
-                       if (total_length == (IHL + data_offset)) {
-                               u32 seq_no, ack_no;
+       IHL = ip_hdr_ptr->ihl << 2;
+       tcp_hdr_ptr = buffer + ETH_HLEN + IHL;
+       total_length = ntohs(ip_hdr_ptr->tot_len);
 
-                               seq_no = ntohl(tcp_hdr_ptr->seq);
-                               ack_no = ntohl(tcp_hdr_ptr->ack_seq);
-                               for (i = 0; i < tcp_session; i++) {
-                                       u32 j = ack_session_info[i].seq_num;
+       data_offset = tcp_hdr_ptr->doff << 2;
+       if (total_length == (IHL + data_offset)) {
+               u32 seq_no, ack_no;
 
-                                       if (i < 2 * MAX_TCP_SESSION &&
-                                           j == seq_no) {
-                                               update_tcp_session(i, ack_no);
-                                               break;
-                                       }
-                               }
-                               if (i == tcp_session)
-                                       add_tcp_session(0, 0, seq_no);
+               seq_no = ntohl(tcp_hdr_ptr->seq);
+               ack_no = ntohl(tcp_hdr_ptr->ack_seq);
+               for (i = 0; i < tcp_session; i++) {
+                       u32 j = ack_session_info[i].seq_num;
 
-                               add_tcp_pending_ack(ack_no, i, tqe);
+                       if (i < 2 * MAX_TCP_SESSION &&
+                           j == seq_no) {
+                               update_tcp_session(i, ack_no);
+                               break;
                        }
                }
+               if (i == tcp_session)
+                       add_tcp_session(0, 0, seq_no);
+
+               add_tcp_pending_ack(ack_no, i, tqe);
        }
+
+out:
        spin_unlock_irqrestore(&wilc->txq_spinlock, flags);
 }