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authorKrzysztof Halasa <khc@pm.waw.pl>2007-04-27 13:13:33 +0200
committerJeff Garzik <jeff@garzik.org>2007-04-28 11:01:07 -0400
commitabf17ffda7b7b6c83a29d7ccea91d46065c6ca3e (patch)
tree1ef35e54cb8bfc2fbaf9c1b2b821b5ef7f6bd1c5 /drivers/net/wan/hdlc_cisco.c
parent27345bb684140f5f306963e0d6e25a60c7857dfe (diff)
downloadop-kernel-dev-abf17ffda7b7b6c83a29d7ccea91d46065c6ca3e.zip
op-kernel-dev-abf17ffda7b7b6c83a29d7ccea91d46065c6ca3e.tar.gz
Generic HDLC sparse annotations
Sparse annotations, including two minor bugfixes. Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/wan/hdlc_cisco.c')
-rw-r--r--drivers/net/wan/hdlc_cisco.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c
index 00e0aaa..9ec6cf2 100644
--- a/drivers/net/wan/hdlc_cisco.c
+++ b/drivers/net/wan/hdlc_cisco.c
@@ -37,16 +37,16 @@
struct hdlc_header {
u8 address;
u8 control;
- u16 protocol;
+ __be16 protocol;
}__attribute__ ((packed));
struct cisco_packet {
- u32 type; /* code */
- u32 par1;
- u32 par2;
- u16 rel; /* reliability */
- u32 time;
+ __be32 type; /* code */
+ __be32 par1;
+ __be32 par2;
+ __be16 rel; /* reliability */
+ __be32 time;
}__attribute__ ((packed));
#define CISCO_PACKET_LEN 18
#define CISCO_BIG_PACKET_LEN 20
@@ -97,7 +97,7 @@ static int cisco_hard_header(struct sk_buff *skb, struct net_device *dev,
static void cisco_keepalive_send(struct net_device *dev, u32 type,
- u32 par1, u32 par2)
+ __be32 par1, __be32 par2)
{
struct sk_buff *skb;
struct cisco_packet *data;
@@ -115,9 +115,9 @@ static void cisco_keepalive_send(struct net_device *dev, u32 type,
data = (struct cisco_packet*)(skb->data + 4);
data->type = htonl(type);
- data->par1 = htonl(par1);
- data->par2 = htonl(par2);
- data->rel = 0xFFFF;
+ data->par1 = par1;
+ data->par2 = par2;
+ data->rel = __constant_htons(0xFFFF);
/* we will need do_div here if 1000 % HZ != 0 */
data->time = htonl((jiffies - INITIAL_JIFFIES) * (1000 / HZ));
@@ -193,7 +193,7 @@ static int cisco_rx(struct sk_buff *skb)
case CISCO_ADDR_REQ: /* Stolen from syncppp.c :-) */
in_dev = dev->ip_ptr;
addr = 0;
- mask = ~0; /* is the mask correct? */
+ mask = __constant_htonl(~0); /* is the mask correct? */
if (in_dev != NULL) {
struct in_ifaddr **ifap = &in_dev->ifa_list;
@@ -245,7 +245,7 @@ static int cisco_rx(struct sk_buff *skb)
} /* switch(protocol) */
printk(KERN_INFO "%s: Unsupported protocol %x\n", dev->name,
- data->protocol);
+ ntohs(data->protocol));
dev_kfree_skb_any(skb);
return NET_RX_DROP;
@@ -270,8 +270,9 @@ static void cisco_timer(unsigned long arg)
netif_dormant_on(dev);
}
- cisco_keepalive_send(dev, CISCO_KEEPALIVE_REQ, ++state(hdlc)->txseq,
- state(hdlc)->rxseq);
+ cisco_keepalive_send(dev, CISCO_KEEPALIVE_REQ,
+ htonl(++state(hdlc)->txseq),
+ htonl(state(hdlc)->rxseq));
state(hdlc)->request_sent = 1;
state(hdlc)->timer.expires = jiffies +
state(hdlc)->settings.interval * HZ;
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