[PATCH 23/23] staging: r8188eu: add spaces around operators in core/rtw_br_ext.c

From: Michael Straube
Date: Mon Aug 16 2021 - 12:00:22 EST


Add missing spaces around operators in core/rtw_br_ext.c reported by
chackpatch.

Signed-off-by: Michael Straube <straube.linux@xxxxxxxxx>
---
drivers/staging/r8188eu/core/rtw_br_ext.c | 104 +++++++++++-----------
1 file changed, 52 insertions(+), 52 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c
index 8be025992270..dffcad42a0d6 100644
--- a/drivers/staging/r8188eu/core/rtw_br_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_br_ext.c
@@ -89,19 +89,19 @@ static int skb_pull_and_merge(struct sk_buff *skb, unsigned char *src, int len)
int tail_len;
unsigned long end, tail;

- if ((src+len) > skb_tail_pointer(skb) || skb->len < len)
+ if ((src + len) > skb_tail_pointer(skb) || skb->len < len)
return -1;

tail = (unsigned long)skb_tail_pointer(skb);
- end = (unsigned long)src+len;
+ end = (unsigned long)src + len;
if (tail < end)
return -1;

- tail_len = (int)(tail-end);
+ tail_len = (int)(tail - end);
if (tail_len > 0)
- memmove(src, src+len, tail_len);
+ memmove(src, src + len, tail_len);

- skb_trim(skb, skb->len-len);
+ skb_trim(skb, skb->len - len);
return 0;
}

@@ -109,7 +109,7 @@ static unsigned long __nat25_timeout(struct adapter *priv)
{
unsigned long timeout;

- timeout = jiffies - NAT25_AGEING_TIME*HZ;
+ timeout = jiffies - NAT25_AGEING_TIME * HZ;

return timeout;
}
@@ -129,7 +129,7 @@ static void __nat25_generate_ipv4_network_addr(unsigned char *networkAddr,
memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);

networkAddr[0] = NAT25_IPV4;
- memcpy(networkAddr+7, (unsigned char *)ipAddr, 4);
+ memcpy(networkAddr + 7, (unsigned char *)ipAddr, 4);
}

static void __nat25_generate_pppoe_network_addr(unsigned char *networkAddr,
@@ -138,8 +138,8 @@ static void __nat25_generate_pppoe_network_addr(unsigned char *networkAddr,
memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);

networkAddr[0] = NAT25_PPPOE;
- memcpy(networkAddr+1, (unsigned char *)sid, 2);
- memcpy(networkAddr+3, (unsigned char *)ac_mac, 6);
+ memcpy(networkAddr + 1, (unsigned char *)sid, 2);
+ memcpy(networkAddr + 3, (unsigned char *)ac_mac, 6);
}

static void __nat25_generate_ipv6_network_addr(unsigned char *networkAddr,
@@ -148,17 +148,17 @@ static void __nat25_generate_ipv6_network_addr(unsigned char *networkAddr,
memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);

networkAddr[0] = NAT25_IPV6;
- memcpy(networkAddr+1, (unsigned char *)ipAddr, 16);
+ memcpy(networkAddr + 1, (unsigned char *)ipAddr, 16);
}

static unsigned char *scan_tlv(unsigned char *data, int len, unsigned char tag, unsigned char len8b)
{
while (len > 0) {
- if (*data == tag && *(data+1) == len8b && len >= len8b*8)
- return data+2;
+ if (*data == tag && *(data + 1) == len8b && len >= len8b * 8)
+ return data + 2;

- len -= (*(data+1))*8;
- data += (*(data+1))*8;
+ len -= (*(data + 1)) * 8;
+ data += (*(data + 1)) * 8;
}
return NULL;
}
@@ -170,7 +170,7 @@ static int update_nd_link_layer_addr(unsigned char *data, int len, unsigned char

if (icmphdr->icmp6_type == NDISC_ROUTER_SOLICITATION) {
if (len >= 8) {
- mac = scan_tlv(&data[8], len-8, 1, 1);
+ mac = scan_tlv(&data[8], len - 8, 1, 1);
if (mac) {
_DEBUG_INFO("Router Solicitation, replace MAC From: %02x:%02x:%02x:%02x:%02x:%02x, To: %02x:%02x:%02x:%02x:%02x:%02x\n",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
@@ -181,7 +181,7 @@ static int update_nd_link_layer_addr(unsigned char *data, int len, unsigned char
}
} else if (icmphdr->icmp6_type == NDISC_ROUTER_ADVERTISEMENT) {
if (len >= 16) {
- mac = scan_tlv(&data[16], len-16, 1, 1);
+ mac = scan_tlv(&data[16], len - 16, 1, 1);
if (mac) {
_DEBUG_INFO("Router Advertisement, replace MAC From: %02x:%02x:%02x:%02x:%02x:%02x, To: %02x:%02x:%02x:%02x:%02x:%02x\n",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
@@ -192,7 +192,7 @@ static int update_nd_link_layer_addr(unsigned char *data, int len, unsigned char
}
} else if (icmphdr->icmp6_type == NDISC_NEIGHBOUR_SOLICITATION) {
if (len >= 24) {
- mac = scan_tlv(&data[24], len-24, 1, 1);
+ mac = scan_tlv(&data[24], len - 24, 1, 1);
if (mac) {
_DEBUG_INFO("Neighbor Solicitation, replace MAC From: %02x:%02x:%02x:%02x:%02x:%02x, To: %02x:%02x:%02x:%02x:%02x:%02x\n",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
@@ -203,7 +203,7 @@ static int update_nd_link_layer_addr(unsigned char *data, int len, unsigned char
}
} else if (icmphdr->icmp6_type == NDISC_NEIGHBOUR_ADVERTISEMENT) {
if (len >= 24) {
- mac = scan_tlv(&data[24], len-24, 2, 1);
+ mac = scan_tlv(&data[24], len - 24, 2, 1);
if (mac) {
_DEBUG_INFO("Neighbor Advertisement, replace MAC From: %02x:%02x:%02x:%02x:%02x:%02x, To: %02x:%02x:%02x:%02x:%02x:%02x\n",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
@@ -214,7 +214,7 @@ static int update_nd_link_layer_addr(unsigned char *data, int len, unsigned char
}
} else if (icmphdr->icmp6_type == NDISC_REDIRECT) {
if (len >= 40) {
- mac = scan_tlv(&data[40], len-40, 2, 1);
+ mac = scan_tlv(&data[40], len - 40, 2, 1);
if (mac) {
_DEBUG_INFO("Redirect, replace MAC From: %02x:%02x:%02x:%02x:%02x:%02x, To: %02x:%02x:%02x:%02x:%02x:%02x\n",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5],
@@ -463,7 +463,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
if (protocol == ETH_P_IP) {
struct iphdr *iph = (struct iphdr *)(skb->data + ETH_HLEN);

- if (((unsigned char *)(iph) + (iph->ihl<<2)) >= (skb->data + ETH_HLEN + skb->len)) {
+ if (((unsigned char *)(iph) + (iph->ihl << 2)) >= (skb->data + ETH_HLEN + skb->len)) {
DEBUG_WARN("NAT25: malformed IP packet !\n");
return -1;
}
@@ -480,7 +480,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
DEBUG_INFO("NAT25: Insert IP, SA =%08x, DA =%08x\n", tmp, iph->daddr);
__nat25_generate_ipv4_network_addr(networkAddr, &tmp);
/* record source IP address and , source mac address into db */
- __nat25_db_network_insert(priv, skb->data+ETH_ALEN, networkAddr);
+ __nat25_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);

__nat25_db_print(priv);
return 0;
@@ -497,7 +497,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
} else {
/* forward unknow IP packet to upper TCP/IP */
DEBUG_INFO("NAT25: Replace DA with BR's MAC\n");
- if ((*(u32 *)priv->br_mac) == 0 && (*(u16 *)(priv->br_mac+4)) == 0) {
+ if ((*(u32 *)priv->br_mac) == 0 && (*(u16 *)(priv->br_mac + 4)) == 0) {
printk("Re-init netdev_br_init() due to br_mac == 0!\n");
netdev_br_init(priv->pnetdev);
}
@@ -533,7 +533,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
arp_ptr += arp->ar_hln;
sender = (unsigned int *)arp_ptr;
__nat25_generate_ipv4_network_addr(networkAddr, sender);
- __nat25_db_network_insert(priv, skb->data+ETH_ALEN, networkAddr);
+ __nat25_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);
__nat25_db_print(priv);
return 0;
case NAT25_LOOKUP:
@@ -578,28 +578,28 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
pOldTag = (struct pppoe_tag *)__nat25_find_pppoe_tag(ph, ntohs(PTT_RELAY_SID));
if (pOldTag) { /* if SID existed, copy old value and delete it */
old_tag_len = ntohs(pOldTag->tag_len);
- if (old_tag_len+TAG_HDR_LEN+MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN > sizeof(tag_buf)) {
+ if (old_tag_len + TAG_HDR_LEN + MAGIC_CODE_LEN + RTL_RELAY_TAG_LEN > sizeof(tag_buf)) {
DEBUG_ERR("SID tag length too long!\n");
return -1;
}

- memcpy(tag->tag_data+MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN,
+ memcpy(tag->tag_data + MAGIC_CODE_LEN + RTL_RELAY_TAG_LEN,
pOldTag->tag_data, old_tag_len);

- if (skb_pull_and_merge(skb, (unsigned char *)pOldTag, TAG_HDR_LEN+old_tag_len) < 0) {
+ if (skb_pull_and_merge(skb, (unsigned char *)pOldTag, TAG_HDR_LEN + old_tag_len) < 0) {
DEBUG_ERR("call skb_pull_and_merge() failed in PADI/R packet!\n");
return -1;
}
- ph->length = htons(ntohs(ph->length)-TAG_HDR_LEN-old_tag_len);
+ ph->length = htons(ntohs(ph->length) - TAG_HDR_LEN - old_tag_len);
}

tag->tag_type = PTT_RELAY_SID;
- tag->tag_len = htons(MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN+old_tag_len);
+ tag->tag_len = htons(MAGIC_CODE_LEN + RTL_RELAY_TAG_LEN + old_tag_len);

/* insert the magic_code+client mac in relay tag */
pMagic = (unsigned short *)tag->tag_data;
*pMagic = htons(MAGIC_CODE);
- memcpy(tag->tag_data+MAGIC_CODE_LEN, skb->data+ETH_ALEN, ETH_ALEN);
+ memcpy(tag->tag_data + MAGIC_CODE_LEN, skb->data + ETH_ALEN, ETH_ALEN);

/* Add relay tag */
if (__nat25_add_pppoe_tag(skb, tag) < 0)
@@ -609,13 +609,13 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
(ph->code == PADI_CODE ? "PADI" : "PADR"));
} else { /* not add relay tag */
if (priv->pppoe_connection_in_progress &&
- memcmp(skb->data+ETH_ALEN, priv->pppoe_addr, ETH_ALEN)) {
+ memcmp(skb->data + ETH_ALEN, priv->pppoe_addr, ETH_ALEN)) {
DEBUG_ERR("Discard PPPoE packet due to another PPPoE connection is in progress!\n");
return -2;
}

if (priv->pppoe_connection_in_progress == 0)
- memcpy(priv->pppoe_addr, skb->data+ETH_ALEN, ETH_ALEN);
+ memcpy(priv->pppoe_addr, skb->data + ETH_ALEN, ETH_ALEN);

priv->pppoe_connection_in_progress = WAIT_TIME_PPPOE;
}
@@ -627,13 +627,13 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)

__nat25_generate_pppoe_network_addr(networkAddr, skb->data, &ph->sid);

- __nat25_db_network_insert(priv, skb->data+ETH_ALEN, networkAddr);
+ __nat25_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);

__nat25_db_print(priv);

if (!priv->ethBrExtInfo.addPPPoETag &&
priv->pppoe_connection_in_progress &&
- !memcmp(skb->data+ETH_ALEN, priv->pppoe_addr, ETH_ALEN))
+ !memcmp(skb->data + ETH_ALEN, priv->pppoe_addr, ETH_ALEN))
priv->pppoe_connection_in_progress = 0;
}
return 0;
@@ -655,7 +655,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
tagType = (unsigned short)((ptr[0] << 8) + ptr[1]);
tagLen = (unsigned short)((ptr[2] << 8) + ptr[3]);

- if ((tagType != ntohs(PTT_RELAY_SID)) || (tagLen < (MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN))) {
+ if ((tagType != ntohs(PTT_RELAY_SID)) || (tagLen < (MAGIC_CODE_LEN + RTL_RELAY_TAG_LEN))) {
DEBUG_ERR("Invalid PTT_RELAY_SID tag length [%d]!\n", tagLen);
return -1;
}
@@ -667,18 +667,18 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
return -1;
}

- memcpy(skb->data, tag->tag_data+MAGIC_CODE_LEN, ETH_ALEN);
+ memcpy(skb->data, tag->tag_data + MAGIC_CODE_LEN, ETH_ALEN);

- if (tagLen > MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN)
+ if (tagLen > MAGIC_CODE_LEN + RTL_RELAY_TAG_LEN)
offset = TAG_HDR_LEN;

- if (skb_pull_and_merge(skb, ptr+offset, TAG_HDR_LEN+MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN-offset) < 0) {
+ if (skb_pull_and_merge(skb, ptr + offset, TAG_HDR_LEN + MAGIC_CODE_LEN + RTL_RELAY_TAG_LEN - offset) < 0) {
DEBUG_ERR("call skb_pull_and_merge() failed in PADO packet!\n");
return -1;
}
- ph->length = htons(ntohs(ph->length)-(TAG_HDR_LEN+MAGIC_CODE_LEN+RTL_RELAY_TAG_LEN-offset));
+ ph->length = htons(ntohs(ph->length) - (TAG_HDR_LEN + MAGIC_CODE_LEN + RTL_RELAY_TAG_LEN - offset));
if (offset > 0)
- tag->tag_len = htons(tagLen-MAGIC_CODE_LEN-RTL_RELAY_TAG_LEN);
+ tag->tag_len = htons(tagLen - MAGIC_CODE_LEN - RTL_RELAY_TAG_LEN);

DEBUG_INFO("NAT25: Lookup PPPoE, forward %s Packet from %s\n",
(ph->code == PADO_CODE ? "PADO" : "PADS"), skb->dev->name);
@@ -693,7 +693,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
} else {
if (ph->sid != 0) {
DEBUG_INFO("NAT25: Lookup PPPoE, lookup session packet from %s\n", skb->dev->name);
- __nat25_generate_pppoe_network_addr(networkAddr, skb->data+ETH_ALEN, &ph->sid);
+ __nat25_generate_pppoe_network_addr(networkAddr, skb->data + ETH_ALEN, &ph->sid);
__nat25_db_network_lookup_and_replace(priv, skb, networkAddr);
__nat25_db_print(priv);
} else {
@@ -758,7 +758,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)

if (memcmp(&iph->saddr, "\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0\x0", 16)) {
__nat25_generate_ipv6_network_addr(networkAddr, (unsigned int *)&iph->saddr);
- __nat25_db_network_insert(priv, skb->data+ETH_ALEN, networkAddr);
+ __nat25_db_network_insert(priv, skb->data + ETH_ALEN, networkAddr);
__nat25_db_print(priv);

if (iph->nexthdr == IPPROTO_ICMPV6 &&
@@ -801,9 +801,9 @@ int nat25_handle_frame(struct adapter *priv, struct sk_buff *skb)
protocol = be16_to_cpu(*((__be16 *)(skb->data + 2 * ETH_ALEN)));
if (protocol == ETH_P_8021Q) {
is_vlan_tag = 1;
- vlan_hdr = *((unsigned short *)(skb->data+ETH_ALEN*2+2));
+ vlan_hdr = *((unsigned short *)(skb->data + ETH_ALEN * 2 + 2));
for (i = 0; i < 6; i++)
- *((unsigned short *)(skb->data+ETH_ALEN*2+2-i*2)) = *((unsigned short *)(skb->data+ETH_ALEN*2-2-i*2));
+ *((unsigned short *)(skb->data + ETH_ALEN * 2 + 2 - i * 2)) = *((unsigned short *)(skb->data + ETH_ALEN * 2 - 2 - i * 2));
skb_pull(skb, 4);
}

@@ -815,8 +815,8 @@ int nat25_handle_frame(struct adapter *priv, struct sk_buff *skb)
* corresponding network protocol is NOT support.
*/
if (!priv->ethBrExtInfo.nat25sc_disable &&
- (be16_to_cpu(*((__be16 *)(skb->data+ETH_ALEN*2))) == ETH_P_IP) &&
- !memcmp(priv->scdb_ip, skb->data+ETH_HLEN+16, 4)) {
+ (be16_to_cpu(*((__be16 *)(skb->data + ETH_ALEN * 2))) == ETH_P_IP) &&
+ !memcmp(priv->scdb_ip, skb->data + ETH_HLEN + 16, 4)) {
memcpy(skb->data, priv->scdb_mac, ETH_ALEN);

spin_unlock_bh(&priv->br_ext_lock);
@@ -826,10 +826,10 @@ int nat25_handle_frame(struct adapter *priv, struct sk_buff *skb)
retval = nat25_db_handle(priv, skb, NAT25_LOOKUP);
}
} else {
- if (((be16_to_cpu(*((__be16 *)(skb->data+ETH_ALEN*2))) == ETH_P_IP) &&
- !memcmp(priv->br_ip, skb->data+ETH_HLEN+16, 4)) ||
- ((be16_to_cpu(*((__be16 *)(skb->data+ETH_ALEN*2))) == ETH_P_ARP) &&
- !memcmp(priv->br_ip, skb->data+ETH_HLEN+24, 4))) {
+ if (((be16_to_cpu(*((__be16 *)(skb->data + ETH_ALEN * 2))) == ETH_P_IP) &&
+ !memcmp(priv->br_ip, skb->data + ETH_HLEN + 16, 4)) ||
+ ((be16_to_cpu(*((__be16 *)(skb->data + ETH_ALEN * 2))) == ETH_P_ARP) &&
+ !memcmp(priv->br_ip, skb->data + ETH_HLEN + 24, 4))) {
/* for traffic to upper TCP/IP */
retval = nat25_db_handle(priv, skb, NAT25_LOOKUP);
}
@@ -838,9 +838,9 @@ int nat25_handle_frame(struct adapter *priv, struct sk_buff *skb)
if (is_vlan_tag) {
skb_push(skb, 4);
for (i = 0; i < 6; i++)
- *((unsigned short *)(skb->data+i*2)) = *((unsigned short *)(skb->data+4+i*2));
- *((__be16 *)(skb->data+ETH_ALEN*2)) = __constant_htons(ETH_P_8021Q);
- *((unsigned short *)(skb->data+ETH_ALEN*2+2)) = vlan_hdr;
+ *((unsigned short *)(skb->data + i * 2)) = *((unsigned short *)(skb->data + 4 + i * 2));
+ *((__be16 *)(skb->data + ETH_ALEN * 2)) = __constant_htons(ETH_P_8021Q);
+ *((unsigned short *)(skb->data + ETH_ALEN * 2 + 2)) = vlan_hdr;
}

if (retval == -1) {
--
2.32.0