2022-10-20 08:23:45

by Deepak R Varma

[permalink] [raw]
Subject: [PATCH v3 01/10] staging: r8188eu: use Linux kernel variable naming convention

Follow the Linux Kernel coding style variable naming convention instead
of using camelCase style. Issue reported by checkpatch script for
these variables:
tagLen, tagType, networkAddr, ipAddr, macAddr

Signed-off-by: Deepak R Varma <[email protected]>
---

Changes in v3:
-- None

Changes in v1 [actually v2]:
1. Improve patch description per feedback from [email protected]


drivers/staging/r8188eu/core/rtw_br_ext.c | 112 +++++++++++-----------
1 file changed, 56 insertions(+), 56 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c
index 4c5f30792a46..79daf8f269d6 100644
--- a/drivers/staging/r8188eu/core/rtw_br_ext.c
+++ b/drivers/staging/r8188eu/core/rtw_br_ext.c
@@ -50,17 +50,17 @@
static unsigned char *__nat25_find_pppoe_tag(struct pppoe_hdr *ph, unsigned short type)
{
unsigned char *cur_ptr, *start_ptr;
- unsigned short tagLen, tagType;
+ unsigned short tag_len, tag_type;

start_ptr = (unsigned char *)ph->tag;
cur_ptr = (unsigned char *)ph->tag;
while ((cur_ptr - start_ptr) < ntohs(ph->length)) {
/* prevent un-alignment access */
- tagType = (unsigned short)((cur_ptr[0] << 8) + cur_ptr[1]);
- tagLen = (unsigned short)((cur_ptr[2] << 8) + cur_ptr[3]);
- if (tagType == type)
+ tag_type = (unsigned short)((cur_ptr[0] << 8) + cur_ptr[1]);
+ tag_len = (unsigned short)((cur_ptr[2] << 8) + cur_ptr[3]);
+ if (tag_type == type)
return cur_ptr;
- cur_ptr = cur_ptr + TAG_HDR_LEN + tagLen;
+ cur_ptr = cur_ptr + TAG_HDR_LEN + tag_len;
}
return NULL;
}
@@ -111,32 +111,32 @@ static int __nat25_has_expired(struct nat25_network_db_entry *fdb)
return 0;
}

-static void __nat25_generate_ipv4_network_addr(unsigned char *networkAddr,
- unsigned int *ipAddr)
+static void __nat25_generate_ipv4_network_addr(unsigned char *network_addr,
+ unsigned int *ip_addr)
{
- memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
+ memset(network_addr, 0, MAX_NETWORK_ADDR_LEN);

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

-static void __nat25_generate_pppoe_network_addr(unsigned char *networkAddr,
+static void __nat25_generate_pppoe_network_addr(unsigned char *network_addr,
unsigned char *ac_mac, __be16 *sid)
{
- memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
+ memset(network_addr, 0, MAX_NETWORK_ADDR_LEN);

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

-static void __nat25_generate_ipv6_network_addr(unsigned char *networkAddr,
- unsigned int *ipAddr)
+static void __nat25_generate_ipv6_network_addr(unsigned char *network_addr,
+ unsigned int *ip_addr)
{
- memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
+ memset(network_addr, 0, MAX_NETWORK_ADDR_LEN);

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

static unsigned char *scan_tlv(unsigned char *data, int len, unsigned char tag, unsigned char len8b)
@@ -200,40 +200,40 @@ static int update_nd_link_layer_addr(unsigned char *data, int len, unsigned char
return 0;
}

-static int __nat25_network_hash(unsigned char *networkAddr)
+static int __nat25_network_hash(unsigned char *network_addr)
{
- if (networkAddr[0] == NAT25_IPV4) {
+ if (network_addr[0] == NAT25_IPV4) {
unsigned long x;

- x = networkAddr[7] ^ networkAddr[8] ^ networkAddr[9] ^ networkAddr[10];
+ x = network_addr[7] ^ network_addr[8] ^ network_addr[9] ^ network_addr[10];

return x & (NAT25_HASH_SIZE - 1);
- } else if (networkAddr[0] == NAT25_IPX) {
+ } else if (network_addr[0] == NAT25_IPX) {
unsigned long x;

- x = networkAddr[1] ^ networkAddr[2] ^ networkAddr[3] ^ networkAddr[4] ^ networkAddr[5] ^
- networkAddr[6] ^ networkAddr[7] ^ networkAddr[8] ^ networkAddr[9] ^ networkAddr[10];
+ x = network_addr[1] ^ network_addr[2] ^ network_addr[3] ^ network_addr[4] ^ network_addr[5] ^
+ network_addr[6] ^ network_addr[7] ^ network_addr[8] ^ network_addr[9] ^ network_addr[10];

return x & (NAT25_HASH_SIZE - 1);
- } else if (networkAddr[0] == NAT25_APPLE) {
+ } else if (network_addr[0] == NAT25_APPLE) {
unsigned long x;

- x = networkAddr[1] ^ networkAddr[2] ^ networkAddr[3];
+ x = network_addr[1] ^ network_addr[2] ^ network_addr[3];

return x & (NAT25_HASH_SIZE - 1);
- } else if (networkAddr[0] == NAT25_PPPOE) {
+ } else if (network_addr[0] == NAT25_PPPOE) {
unsigned long x;

- x = networkAddr[0] ^ networkAddr[1] ^ networkAddr[2] ^ networkAddr[3] ^ networkAddr[4] ^ networkAddr[5] ^ networkAddr[6] ^ networkAddr[7] ^ networkAddr[8];
+ x = network_addr[0] ^ network_addr[1] ^ network_addr[2] ^ network_addr[3] ^ network_addr[4] ^ network_addr[5] ^ network_addr[6] ^ network_addr[7] ^ network_addr[8];

return x & (NAT25_HASH_SIZE - 1);
- } else if (networkAddr[0] == NAT25_IPV6) {
+ } else if (network_addr[0] == NAT25_IPV6) {
unsigned long x;

- x = networkAddr[1] ^ networkAddr[2] ^ networkAddr[3] ^ networkAddr[4] ^ networkAddr[5] ^
- networkAddr[6] ^ networkAddr[7] ^ networkAddr[8] ^ networkAddr[9] ^ networkAddr[10] ^
- networkAddr[11] ^ networkAddr[12] ^ networkAddr[13] ^ networkAddr[14] ^ networkAddr[15] ^
- networkAddr[16];
+ x = network_addr[1] ^ network_addr[2] ^ network_addr[3] ^ network_addr[4] ^ network_addr[5] ^
+ network_addr[6] ^ network_addr[7] ^ network_addr[8] ^ network_addr[9] ^ network_addr[10] ^
+ network_addr[11] ^ network_addr[12] ^ network_addr[13] ^ network_addr[14] ^ network_addr[15] ^
+ network_addr[16];

return x & (NAT25_HASH_SIZE - 1);
} else {
@@ -241,7 +241,7 @@ static int __nat25_network_hash(unsigned char *networkAddr)
int i;

for (i = 0; i < MAX_NETWORK_ADDR_LEN; i++)
- x ^= networkAddr[i];
+ x ^= network_addr[i];

return x & (NAT25_HASH_SIZE - 1);
}
@@ -269,17 +269,17 @@ static void __network_hash_unlink(struct nat25_network_db_entry *ent)
}

static void __nat25_db_network_insert(struct adapter *priv,
- unsigned char *macAddr, unsigned char *networkAddr)
+ unsigned char *mac_addr, unsigned char *network_addr)
{
struct nat25_network_db_entry *db;
int hash;

spin_lock_bh(&priv->br_ext_lock);
- hash = __nat25_network_hash(networkAddr);
+ hash = __nat25_network_hash(network_addr);
db = priv->nethash[hash];
while (db) {
- if (!memcmp(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN)) {
- memcpy(db->macAddr, macAddr, ETH_ALEN);
+ if (!memcmp(db->networkAddr, network_addr, MAX_NETWORK_ADDR_LEN)) {
+ memcpy(db->macAddr, mac_addr, ETH_ALEN);
db->ageing_timer = jiffies;
spin_unlock_bh(&priv->br_ext_lock);
return;
@@ -291,8 +291,8 @@ static void __nat25_db_network_insert(struct adapter *priv,
spin_unlock_bh(&priv->br_ext_lock);
return;
}
- memcpy(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN);
- memcpy(db->macAddr, macAddr, ETH_ALEN);
+ memcpy(db->networkAddr, network_addr, MAX_NETWORK_ADDR_LEN);
+ memcpy(db->macAddr, mac_addr, ETH_ALEN);
atomic_set(&db->use_count, 1);
db->ageing_timer = jiffies;

@@ -366,7 +366,7 @@ void nat25_db_expire(struct adapter *priv)
int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
{
unsigned short protocol;
- unsigned char networkAddr[MAX_NETWORK_ADDR_LEN];
+ unsigned char network_addr[MAX_NETWORK_ADDR_LEN];
unsigned int tmp;

if (!skb)
@@ -395,9 +395,9 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
if (iph->saddr == 0)
return 0;
tmp = be32_to_cpu(iph->saddr);
- __nat25_generate_ipv4_network_addr(networkAddr, &tmp);
+ __nat25_generate_ipv4_network_addr(network_addr, &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, network_addr);
return 0;
default:
return -1;
@@ -421,8 +421,8 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
memcpy(arp_ptr, GET_MY_HWADDR(priv), ETH_ALEN);
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_generate_ipv4_network_addr(network_addr, sender);
+ __nat25_db_network_insert(priv, skb->data + ETH_ALEN, network_addr);
return 0;
default:
return -1;
@@ -495,9 +495,9 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
return -1;
}
} else { /* session phase */
- __nat25_generate_pppoe_network_addr(networkAddr, skb->data, &ph->sid);
+ __nat25_generate_pppoe_network_addr(network_addr, skb->data, &ph->sid);

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

if (!priv->ethBrExtInfo.addPPPoETag &&
priv->pppoe_connection_in_progress &&
@@ -548,8 +548,8 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method)
return -1;
case NAT25_INSERT:
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_generate_ipv6_network_addr(network_addr, (unsigned int *)&iph->saddr);
+ __nat25_db_network_insert(priv, skb->data + ETH_ALEN, network_addr);

if (iph->nexthdr == IPPROTO_ICMPV6 &&
skb->len > (ETH_HLEN + sizeof(*iph) + 4)) {
@@ -639,17 +639,17 @@ void dhcp_flag_bcast(struct adapter *priv, struct sk_buff *skb)
}
}

-void *scdb_findEntry(struct adapter *priv, unsigned char *ipAddr)
+void *scdb_findEntry(struct adapter *priv, unsigned char *ip_addr)
{
- unsigned char networkAddr[MAX_NETWORK_ADDR_LEN];
+ unsigned char network_addr[MAX_NETWORK_ADDR_LEN];
struct nat25_network_db_entry *db;
int hash;

- __nat25_generate_ipv4_network_addr(networkAddr, (unsigned int *)ipAddr);
- hash = __nat25_network_hash(networkAddr);
+ __nat25_generate_ipv4_network_addr(network_addr, (unsigned int *)ip_addr);
+ hash = __nat25_network_hash(network_addr);
db = priv->nethash[hash];
while (db) {
- if (!memcmp(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN)) {
+ if (!memcmp(db->networkAddr, network_addr, MAX_NETWORK_ADDR_LEN)) {
return (void *)db;
}

--
2.30.2




2022-10-20 16:22:44

by Greg Kroah-Hartman

[permalink] [raw]
Subject: Re: [PATCH v3 01/10] staging: r8188eu: use Linux kernel variable naming convention

On Thu, Oct 20, 2022 at 01:22:50PM +0530, Deepak R Varma wrote:
> Follow the Linux Kernel coding style variable naming convention instead
> of using camelCase style. Issue reported by checkpatch script for
> these variables:
> tagLen, tagType, networkAddr, ipAddr, macAddr
>
> Signed-off-by: Deepak R Varma <[email protected]>
> ---
>
> Changes in v3:
> -- None
>
> Changes in v1 [actually v2]:
> 1. Improve patch description per feedback from [email protected]
>
>
> drivers/staging/r8188eu/core/rtw_br_ext.c | 112 +++++++++++-----------
> 1 file changed, 56 insertions(+), 56 deletions(-)
>
> diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c
> index 4c5f30792a46..79daf8f269d6 100644
> --- a/drivers/staging/r8188eu/core/rtw_br_ext.c
> +++ b/drivers/staging/r8188eu/core/rtw_br_ext.c
> @@ -50,17 +50,17 @@
> static unsigned char *__nat25_find_pppoe_tag(struct pppoe_hdr *ph, unsigned short type)
> {
> unsigned char *cur_ptr, *start_ptr;
> - unsigned short tagLen, tagType;
> + unsigned short tag_len, tag_type;
>
> start_ptr = (unsigned char *)ph->tag;
> cur_ptr = (unsigned char *)ph->tag;
> while ((cur_ptr - start_ptr) < ntohs(ph->length)) {
> /* prevent un-alignment access */
> - tagType = (unsigned short)((cur_ptr[0] << 8) + cur_ptr[1]);
> - tagLen = (unsigned short)((cur_ptr[2] << 8) + cur_ptr[3]);
> - if (tagType == type)
> + tag_type = (unsigned short)((cur_ptr[0] << 8) + cur_ptr[1]);
> + tag_len = (unsigned short)((cur_ptr[2] << 8) + cur_ptr[3]);
> + if (tag_type == type)
> return cur_ptr;
> - cur_ptr = cur_ptr + TAG_HDR_LEN + tagLen;
> + cur_ptr = cur_ptr + TAG_HDR_LEN + tag_len;
> }
> return NULL;
> }
> @@ -111,32 +111,32 @@ static int __nat25_has_expired(struct nat25_network_db_entry *fdb)
> return 0;
> }
>
> -static void __nat25_generate_ipv4_network_addr(unsigned char *networkAddr,

As others have said, just make "networkAddr" be "addr" and then it will
be a lot cleaner and smaller overall.

thanks,

greg k-h

2022-10-20 17:00:21

by Deepak R Varma

[permalink] [raw]
Subject: Re: [PATCH v3 01/10] staging: r8188eu: use Linux kernel variable naming convention

On Thu, Oct 20, 2022 at 05:48:23PM +0200, Greg KH wrote:
> On Thu, Oct 20, 2022 at 01:22:50PM +0530, Deepak R Varma wrote:
> > Follow the Linux Kernel coding style variable naming convention instead
> > of using camelCase style. Issue reported by checkpatch script for
> > these variables:
> > tagLen, tagType, networkAddr, ipAddr, macAddr
> >
> > Signed-off-by: Deepak R Varma <[email protected]>
> > ---
> >
> > Changes in v3:
> > -- None
> >
> > Changes in v1 [actually v2]:
> > 1. Improve patch description per feedback from [email protected]
> >
> >
> > drivers/staging/r8188eu/core/rtw_br_ext.c | 112 +++++++++++-----------
> > 1 file changed, 56 insertions(+), 56 deletions(-)
> >
> > diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c
> > index 4c5f30792a46..79daf8f269d6 100644
> > --- a/drivers/staging/r8188eu/core/rtw_br_ext.c
> > +++ b/drivers/staging/r8188eu/core/rtw_br_ext.c
> > @@ -50,17 +50,17 @@
> > static unsigned char *__nat25_find_pppoe_tag(struct pppoe_hdr *ph, unsigned short type)
> > {
> > unsigned char *cur_ptr, *start_ptr;
> > - unsigned short tagLen, tagType;
> > + unsigned short tag_len, tag_type;
> >
> > start_ptr = (unsigned char *)ph->tag;
> > cur_ptr = (unsigned char *)ph->tag;
> > while ((cur_ptr - start_ptr) < ntohs(ph->length)) {
> > /* prevent un-alignment access */
> > - tagType = (unsigned short)((cur_ptr[0] << 8) + cur_ptr[1]);
> > - tagLen = (unsigned short)((cur_ptr[2] << 8) + cur_ptr[3]);
> > - if (tagType == type)
> > + tag_type = (unsigned short)((cur_ptr[0] << 8) + cur_ptr[1]);
> > + tag_len = (unsigned short)((cur_ptr[2] << 8) + cur_ptr[3]);
> > + if (tag_type == type)
> > return cur_ptr;
> > - cur_ptr = cur_ptr + TAG_HDR_LEN + tagLen;
> > + cur_ptr = cur_ptr + TAG_HDR_LEN + tag_len;
> > }
> > return NULL;
> > }
> > @@ -111,32 +111,32 @@ static int __nat25_has_expired(struct nat25_network_db_entry *fdb)
> > return 0;
> > }
> >
> > -static void __nat25_generate_ipv4_network_addr(unsigned char *networkAddr,
>
> As others have said, just make "networkAddr" be "addr" and then it will
> be a lot cleaner and smaller overall.

Sounds good. Noted for next revision.

Thank you.
./drv

>
> thanks,
>
> greg k-h