can: gw: remove unnecessary blank lines, add suggested blank lines

This patch removes unnecessary blank lines, and adds suggested ones, so
that checkpatch doesn't complain anymore.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/net/can/gw.c b/net/can/gw.c
index 0f13649c0b36e77dc7e3e17eead461c8af270857..faecd1047611419d629613723dcd4c564b055ffc 100644 (file)
--- a/net/can/gw.c
+++ b/net/can/gw.c
@@ -111,7 +111,6 @@ struct cf_mod {
        u32 uid;
 };
 
-
 /* So far we just support CAN -> CAN routing and frame modifications.
  *
  * The internal can_can_gw structure contains data and attributes for
@@ -268,7 +267,6 @@ static void cgw_csum_crc8_rel(struct can_frame *cf, struct cgw_csum_crc8 *crc8)
        }
 
        switch (crc8->profile) {
-
        case CGW_CRC8PRF_1U8:
                crc = crc8->crctab[crc^crc8->profile_data[0]];
                break;
@@ -281,7 +279,6 @@ static void cgw_csum_crc8_rel(struct can_frame *cf, struct cgw_csum_crc8 *crc8)
                crc = crc8->crctab[crc^(cf->can_id & 0xFF)^
                                   (cf->can_id >> 8 & 0xFF)];
                break;
-
        }
 
        cf->data[crc8->result_idx] = crc^crc8->final_xor_val;
@@ -296,7 +293,6 @@ static void cgw_csum_crc8_pos(struct can_frame *cf, struct cgw_csum_crc8 *crc8)
                crc = crc8->crctab[crc^cf->data[i]];
 
        switch (crc8->profile) {
-
        case CGW_CRC8PRF_1U8:
                crc = crc8->crctab[crc^crc8->profile_data[0]];
                break;
@@ -323,7 +319,6 @@ static void cgw_csum_crc8_neg(struct can_frame *cf, struct cgw_csum_crc8 *crc8)
                crc = crc8->crctab[crc^cf->data[i]];
 
        switch (crc8->profile) {
-
        case CGW_CRC8PRF_1U8:
                crc = crc8->crctab[crc^crc8->profile_data[0]];
                break;
@@ -478,14 +473,12 @@ static int cgw_notifier(struct notifier_block *nb,
                return NOTIFY_DONE;
 
        if (msg == NETDEV_UNREGISTER) {
-
                struct cgw_job *gwj = NULL;
                struct hlist_node *nx;
 
                ASSERT_RTNL();
 
                hlist_for_each_entry_safe(gwj, nx, &net->can.cgw_list, list) {
-
                        if (gwj->src.dev == dev || gwj->dst.dev == dev) {
                                hlist_del(&gwj->list);
                                cgw_unregister_filter(net, gwj);
@@ -583,7 +576,6 @@ static int cgw_put_job(struct sk_buff *skb, struct cgw_job *gwj, int type,
        }
 
        if (gwj->gwtype == CGW_TYPE_CAN_CAN) {
-
                if (gwj->ccgw.filter.can_id || gwj->ccgw.filter.can_mask) {
                        if (nla_put(skb, CGW_FILTER, sizeof(struct can_filter),
                                    &gwj->ccgw.filter) < 0)
@@ -737,7 +729,6 @@ static int cgw_parse_attr(struct nlmsghdr *nlh, struct cf_mod *mod,
 
        /* check for checksum operations after CAN frame modifications */
        if (modidx) {
-
                if (tb[CGW_CS_CRC8]) {
                        struct cgw_csum_crc8 *c = nla_data(tb[CGW_CS_CRC8]);
 
@@ -790,10 +781,9 @@ static int cgw_parse_attr(struct nlmsghdr *nlh, struct cf_mod *mod,
        }
 
        if (gwtype == CGW_TYPE_CAN_CAN) {
-
                /* check CGW_TYPE_CAN_CAN specific attributes */
-
                struct can_can_gw *ccgw = (struct can_can_gw *)gwtypeattr;
+
                memset(ccgw, 0, sizeof(*ccgw));
 
                /* check for can_filter in attributes */
@@ -854,12 +844,10 @@ static int cgw_create_job(struct sk_buff *skb,  struct nlmsghdr *nlh,
                return err;
 
        if (mod.uid) {
-
                ASSERT_RTNL();
 
                /* check for updating an existing job with identical uid */
                hlist_for_each_entry(gwj, &net->can.cgw_list, list) {
-
                        if (gwj->mod.uid != mod.uid)
                                continue;
 
@@ -980,7 +968,6 @@ static int cgw_remove_job(struct sk_buff *skb, struct nlmsghdr *nlh,
 
        /* remove only the first matching entry */
        hlist_for_each_entry_safe(gwj, nx, &net->can.cgw_list, list) {
-
                if (gwj->flags != r->flags)
                        continue;