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Date: Fri, 18 Oct 2013 16:38:26 -0500
From: Larry Finger <Larry.Finger@...inger.net>
To: gregkh@...uxfoundation.org
CC: netdev <netdev@...r.kernel.org>,
Larry Finger <Larry.Finger@...inger.net>,
devel@...verdev.osuosl.org
Subject: [PATCH 9/9 RESENT] staging: r8188eu: Fix sparse warnings in rtw_br_ext.c
Sparse has the following warnings for core/rtw_br_ext.c
CHECK drivers/staging/rtl8188eu/core/rtw_br_ext.c
drivers/staging/rtl8188eu/core/rtw_br_ext.c:705:101: warning: incorrect type in
argument 2 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:705:101: expected unsigned int
*ipxNetAddr
drivers/staging/rtl8188eu/core/rtw_br_ext.c:705:101: got restricted __be32
*<noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:705:123: warning: incorrect type in
argument 3 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:705:123: expected unsigned short
*ipxSocketAddr
drivers/staging/rtl8188eu/core/rtw_br_ext.c:705:123: got restricted __be16
*<noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:710:99: warning: incorrect type in
argument 2 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:710:99: expected unsigned int
*ipxNetAddr
drivers/staging/rtl8188eu/core/rtw_br_ext.c:710:99: got restricted __be32
*<noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:719:101: warning: incorrect type in
argument 2 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:719:101: expected unsigned int
*ipxNetAddr
drivers/staging/rtl8188eu/core/rtw_br_ext.c:719:101: got restricted __be32
*<noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:719:121: warning: incorrect type in
argument 3 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:719:121: expected unsigned short
*ipxSocketAddr
drivers/staging/rtl8188eu/core/rtw_br_ext.c:719:121: got restricted __be16
*<noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:726:99: warning: incorrect type in
argument 2 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:726:99: expected unsigned int
*ipxNetAddr
drivers/staging/rtl8188eu/core/rtw_br_ext.c:726:99: got restricted __be32
*<noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:754:83: warning: incorrect type in
argument 2 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:754:83: expected unsigned short
*network
drivers/staging/rtl8188eu/core/rtw_br_ext.c:754:83: got restricted __be16
*<noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:767:83: warning: incorrect type in
argument 2 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:767:83: expected unsigned short
*network
drivers/staging/rtl8188eu/core/rtw_br_ext.c:767:83: got restricted __be16
*<noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:788:83: warning: incorrect type in
argument 2 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:788:83: expected unsigned short
*network
drivers/staging/rtl8188eu/core/rtw_br_ext.c:788:83: got restricted __be16
*<noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:800:83: warning: incorrect type in
argument 2 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:800:83: expected unsigned short
*network
drivers/staging/rtl8188eu/core/rtw_br_ext.c:800:83: got restricted __be16
*<noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:854:57: warning: incorrect type in
assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:854:57: expected unsigned short
[unsigned] [short] <noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:854:57: got restricted __be16
[usertype] <noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:92:23: warning: restricted __be16
degrades to integer
drivers/staging/rtl8188eu/core/rtw_br_ext.c:881:95: warning: incorrect type in
argument 3 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:881:95: expected unsigned short *sid
drivers/staging/rtl8188eu/core/rtw_br_ext.c:881:95: got restricted __be16
*<noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:917:45: warning: cast to restricted
__be16
drivers/staging/rtl8188eu/core/rtw_br_ext.c:917:45: warning: cast to restricted
__be16
drivers/staging/rtl8188eu/core/rtw_br_ext.c:917:45: warning: cast to restricted
__be16
drivers/staging/rtl8188eu/core/rtw_br_ext.c:917:45: warning: cast to restricted
__be16
drivers/staging/rtl8188eu/core/rtw_br_ext.c:949:112: warning: incorrect type in
argument 3 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:949:112: expected unsigned short *sid
drivers/staging/rtl8188eu/core/rtw_br_ext.c:949:112: got restricted __be16
*<noident>
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1024:84: warning: incorrect type in
argument 3 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1024:84: expected unsigned int
[unsigned] [usertype] len
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1024:84: got restricted __be16
[usertype] payload_len
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1026:110: warning: incorrect type in
argument 2 (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1026:110: expected int [signed] len
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1026:110: got restricted __be16
[usertype] payload_len
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1151:54: warning: cast to restricted
__be32
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1151:54: warning: cast to restricted
__be32
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1151:54: warning: cast to restricted
__be32
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1151:54: warning: cast to restricted
__be32
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1151:54: warning: cast to restricted
__be32
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1151:54: warning: cast to restricted
__be32
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1154:70: warning: restricted __be16
degrades to integer
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1160:70: warning: invalid assignment: |=
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1160:70: left side has type
unsigned short
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1160:70: right side has type
restricted __be16
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1162:63: warning: restricted __sum16
degrades to integer
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1163:64: warning: cast to restricted
__be16
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1163:64: warning: cast to restricted
__be16
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1163:64: warning: cast to restricted
__be16
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1163:64: warning: cast to restricted
__be16
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1166:69: warning: incorrect type in
assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1166:69: expected restricted
__sum16 [usertype] check
drivers/staging/rtl8188eu/core/rtw_br_ext.c:1166:69: got int
Signed-off-by: Larry Finger <Larry.Finger@...inger.net>
---
drivers/staging/rtl8188eu/core/rtw_br_ext.c | 52 +++++++++++++++++------------
1 file changed, 31 insertions(+), 21 deletions(-)
diff --git a/drivers/staging/rtl8188eu/core/rtw_br_ext.c
b/drivers/staging/rtl8188eu/core/rtw_br_ext.c
index 9f40742..d50fc13 100644
--- a/drivers/staging/rtl8188eu/core/rtw_br_ext.c
+++ b/drivers/staging/rtl8188eu/core/rtw_br_ext.c
@@ -89,7 +89,7 @@ static inline int __nat25_add_pppoe_tag(struct sk_buff *skb,
struct pppoe_tag *t
struct pppoe_hdr *ph = (struct pppoe_hdr *)(skb->data + ETH_HLEN);
int data_len;
- data_len = tag->tag_len + TAG_HDR_LEN;
+ data_len = be16_to_cpu(tag->tag_len) + TAG_HDR_LEN;
if (skb_tailroom(skb) < data_len) {
_DEBUG_ERR("skb_tailroom() failed in add SID tag!\n");
return -1;
@@ -155,44 +155,53 @@ static inline void
__nat25_generate_ipv4_network_addr(unsigned char *networkAddr
static inline void __nat25_generate_ipx_network_addr_with_node(unsigned char
*networkAddr,
- unsigned int *ipxNetAddr, unsigned char *ipxNodeAddr)
+ __be32 *ipxNetAddr, unsigned char *ipxNodeAddr)
{
+ u32 cpu_netaddr = be32_to_cpu(*ipxNetAddr);
+
memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
networkAddr[0] = NAT25_IPX;
- memcpy(networkAddr+1, (unsigned char *)ipxNetAddr, 4);
+ memcpy(networkAddr+1, &cpu_netaddr, 4);
memcpy(networkAddr+5, ipxNodeAddr, 6);
}
static inline void __nat25_generate_ipx_network_addr_with_socket(unsigned
char *networkAddr,
- unsigned int *ipxNetAddr, unsigned short *ipxSocketAddr)
+ __be32 *ipxNetAddr, __be16 *ipxSocketAddr)
{
+ u32 cpu_netaddr = be32_to_cpu(*ipxNetAddr);
+ u16 cpu_sockaddr = be16_to_cpu(*ipxSocketAddr);
+
memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
networkAddr[0] = NAT25_IPX;
- memcpy(networkAddr+1, (unsigned char *)ipxNetAddr, 4);
- memcpy(networkAddr+5, (unsigned char *)ipxSocketAddr, 2);
+ memcpy(networkAddr+1, &cpu_netaddr, 4);
+ memcpy(networkAddr+5, &cpu_sockaddr, 2);
}
static inline void __nat25_generate_apple_network_addr(unsigned char
*networkAddr,
- unsigned short *network, unsigned char *node)
+ __be16 *network, unsigned char *node)
{
+ u16 cpu_net = be16_to_cpu(*network);
+
memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
networkAddr[0] = NAT25_APPLE;
- memcpy(networkAddr+1, (unsigned char *)network, 2);
+ memcpy(networkAddr+1, &cpu_net, 2);
networkAddr[3] = *node;
}
static inline void __nat25_generate_pppoe_network_addr(unsigned char
*networkAddr,
- unsigned char *ac_mac, unsigned short *sid)
+ unsigned char *ac_mac, __be16 *sid)
{
+ u16 cpu_sid = be16_to_cpu(*sid);
+
memset(networkAddr, 0, MAX_NETWORK_ADDR_LEN);
networkAddr[0] = NAT25_PPPOE;
- memcpy(networkAddr+1, (unsigned char *)sid, 2);
+ memcpy(networkAddr+1, &cpu_sid, 2);
memcpy(networkAddr+3, (unsigned char *)ac_mac, 6);
}
@@ -811,7 +820,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff
*skb, int method)
/* Handle PPPoE frame */
/*---------------------------------------------------*/
struct pppoe_hdr *ph = (struct pppoe_hdr *)(skb->data + ETH_HLEN);
- unsigned short *pMagic;
+ __be16 *pMagic;
switch (method) {
case NAT25_CHECK:
@@ -849,7 +858,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff
*skb, int method)
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 = (__be16 *)tag->tag_data;
*pMagic = htons(MAGIC_CODE);
memcpy(tag->tag_data+MAGIC_CODE_LEN, skb->data+ETH_ALEN, ETH_ALEN);
@@ -912,8 +921,8 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff
*skb, int method)
return -1;
}
- pMagic = (unsigned short *)tag->tag_data;
- if (ntohs(*pMagic) != MAGIC_CODE) {
+ pMagic = (__be16 *)tag->tag_data;
+ if (be16_to_cpu(*pMagic) != MAGIC_CODE) {
DEBUG_ERR("Can't find MAGIC_CODE in %s packet!\n",
(ph->code == PADO_CODE ? "PADO" : "PADS"));
return -1;
@@ -1018,11 +1027,12 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff
*skb, int method)
if (update_nd_link_layer_addr(skb->data + ETH_HLEN + sizeof(*iph),
skb->len - ETH_HLEN - sizeof(*iph), GET_MY_HWADDR(priv))) {
struct icmp6hdr *hdr = (struct icmp6hdr *)(skb->data + ETH_HLEN +
sizeof(*iph));
+ u32 len = __be16_to_cpu(iph->payload_len);
hdr->icmp6_cksum = 0;
hdr->icmp6_cksum = csum_ipv6_magic(&iph->saddr, &iph->daddr,
- iph->payload_len,
+ len,
IPPROTO_ICMPV6,
- csum_partial((__u8 *)hdr, iph->payload_len, 0));
+ csum_partial((__u8 *)hdr, len, 0));
}
}
}
@@ -1117,7 +1127,7 @@ struct dhcpMessage {
u_int8_t hops;
u_int32_t xid;
u_int16_t secs;
- u_int16_t flags;
+ __be16 flags;
u_int32_t ciaddr;
u_int32_t yiaddr;
u_int32_t siaddr;
@@ -1125,7 +1135,7 @@ struct dhcpMessage {
u_int8_t chaddr[16];
u_int8_t sname[64];
u_int8_t file[128];
- u_int32_t cookie;
+ __be32 cookie;
u_int8_t options[308]; /* 312 - cookie */
};
@@ -1152,17 +1162,17 @@ void dhcp_flag_bcast(struct adapter *priv, struct
sk_buff *skb)
if (cookie == DHCP_MAGIC) { /* match magic word */
if (!(dhcph->flags & htons(BROADCAST_FLAG))) {
/* if not broadcast */
- register int sum = 0;
+ register int sum;
DEBUG_INFO("DHCP: change flag of DHCP request to broadcast.\n");
/* or BROADCAST flag */
dhcph->flags |= htons(BROADCAST_FLAG);
/* recalculate checksum */
- sum = ~(udph->check) & 0xffff;
+ sum = (__force int)(~(udph->check)) & 0xffff;
sum += be16_to_cpu(dhcph->flags);
while (sum >> 16)
sum = (sum & 0xffff) + (sum >> 16);
- udph->check = ~sum;
+ udph->check = (__force __sum16)~sum;
}
}
}
--
1.8.4
--
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