ipv4: do clean up with spaces

Fix checkpatch errors like:
ERROR: spaces required around that XXX

Signed-off-by: Weilong Chen <chenweilong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index ec7264514a82e0a130bf15ee01a9030596880921..dd9d90b44f97043fb3373644887d0fb73ffadce4 100644 (file)
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -167,7 +167,7 @@ int ip_options_echo(struct ip_options *dopt, struct sk_buff *skb)
                soffset -= 4;
                if (soffset > 3) {
                        memcpy(&faddr, &start[soffset-1], 4);
-                       for (soffset-=4, doffset=4; soffset > 3; soffset-=4, doffset+=4)
+                       for (soffset -= 4, doffset = 4; soffset > 3; soffset -= 4, doffset += 4)
                                memcpy(&dptr[doffset-1], &start[soffset-1], 4);
                        /*
                         * RFC1812 requires to fix illegal source routes.
@@ -227,7 +227,7 @@ void ip_options_fragment(struct sk_buff *skb)
                        continue;
                }
                optlen = optptr[1];
-               if (optlen<2 || optlen>l)
+               if (optlen < 2 || optlen > l)
                  return;
                if (!IPOPT_COPIED(*optptr))
                        memset(optptr, IPOPT_NOOP, optlen);
@@ -276,7 +276,7 @@ int ip_options_compile(struct net *net,
        for (l = opt->optlen; l > 0; ) {
                switch (*optptr) {
                      case IPOPT_END:
-                       for (optptr++, l--; l>0; optptr++, l--) {
+                       for (optptr++, l--; l > 0; optptr++, l--) {
                                if (*optptr != IPOPT_END) {
                                        *optptr = IPOPT_END;
                                        opt->is_changed = 1;
@@ -289,7 +289,7 @@ int ip_options_compile(struct net *net,
                        continue;
                }
                optlen = optptr[1];
-               if (optlen<2 || optlen>l) {
+               if (optlen < 2 || optlen > l) {
                        pp_ptr = optptr;
                        goto error;
                }
@@ -572,7 +572,7 @@ void ip_forward_options(struct sk_buff *skb)
 
                optptr = raw + opt->srr;
 
-               for ( srrptr=optptr[2], srrspace = optptr[1];
+               for ( srrptr = optptr[2], srrspace = optptr[1];
                     srrptr <= srrspace;
                     srrptr += 4
                     ) {
@@ -628,7 +628,7 @@ int ip_options_rcv_srr(struct sk_buff *skb)
        if (rt->rt_type != RTN_LOCAL)
                return -EINVAL;
 
-       for (srrptr=optptr[2], srrspace = optptr[1]; srrptr <= srrspace; srrptr += 4) {
+       for (srrptr = optptr[2], srrspace = optptr[1]; srrptr <= srrspace; srrptr += 4) {
                if (srrptr + 3 > srrspace) {
                        icmp_send(skb, ICMP_PARAMETERPROB, 0, htonl((opt->srr+2)<<24));
                        return -EINVAL;

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index c53b7f35c51dbd6f778455760e8d77733403ddd1..f75cf15b2c8722ceee1b3360ca641afbfdfef4f7 100644 (file)
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3686,7 +3686,7 @@ const u8 *tcp_parse_md5sig_option(const struct tcphdr *th)
                int opcode = *ptr++;
                int opsize;
 
-               switch(opcode) {
+               switch (opcode) {
                case TCPOPT_EOL:
                        return NULL;
                case TCPOPT_NOP:
@@ -4046,7 +4046,7 @@ static void tcp_sack_remove(struct tcp_sock *tp)
                        WARN_ON(before(tp->rcv_nxt, sp->end_seq));
 
                        /* Zap this SACK, by moving forward any other SACKS. */
-                       for (i=this_sack+1; i < num_sacks; i++)
+                       for (i = this_sack+1; i < num_sacks; i++)
                                tp->selective_acks[i-1] = tp->selective_acks[i];
                        num_sacks--;
                        continue;