[DCCP]: sparse endianness annotations
This also fixes the layout of dccp_hdr short sequence numbers, problem
was not fatal now as we only support long (48 bits) sequence numbers.
Signed-off-by: Andrea Bittau <a.bittau@cs.ucl.ac.uk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/dccp/options.c b/net/dccp/options.c
index 7f99306..7d73b33 100644
--- a/net/dccp/options.c
+++ b/net/dccp/options.c
@@ -155,7 +155,7 @@
if (len != 4)
goto out_invalid_option;
- opt_recv->dccpor_timestamp = ntohl(*(u32 *)value);
+ opt_recv->dccpor_timestamp = ntohl(*(__be32 *)value);
dp->dccps_timestamp_echo = opt_recv->dccpor_timestamp;
dccp_timestamp(sk, &dp->dccps_timestamp_time);
@@ -169,7 +169,7 @@
if (len != 4 && len != 6 && len != 8)
goto out_invalid_option;
- opt_recv->dccpor_timestamp_echo = ntohl(*(u32 *)value);
+ opt_recv->dccpor_timestamp_echo = ntohl(*(__be32 *)value);
dccp_pr_debug("%sTIMESTAMP_ECHO=%u, len=%d, ackno=%llu, ",
debug_prefix,
@@ -183,9 +183,9 @@
break;
if (len == 6)
- elapsed_time = ntohs(*(u16 *)(value + 4));
+ elapsed_time = ntohs(*(__be16 *)(value + 4));
else
- elapsed_time = ntohl(*(u32 *)(value + 4));
+ elapsed_time = ntohl(*(__be32 *)(value + 4));
/* Give precedence to the biggest ELAPSED_TIME */
if (elapsed_time > opt_recv->dccpor_elapsed_time)
@@ -199,9 +199,9 @@
continue;
if (len == 2)
- elapsed_time = ntohs(*(u16 *)value);
+ elapsed_time = ntohs(*(__be16 *)value);
else
- elapsed_time = ntohl(*(u32 *)value);
+ elapsed_time = ntohl(*(__be32 *)value);
if (elapsed_time > opt_recv->dccpor_elapsed_time)
opt_recv->dccpor_elapsed_time = elapsed_time;
@@ -358,10 +358,10 @@
*to++ = len;
if (elapsed_time_len == 2) {
- const u16 var16 = htons((u16)elapsed_time);
+ const __be16 var16 = htons((u16)elapsed_time);
memcpy(to, &var16, 2);
} else {
- const u32 var32 = htonl(elapsed_time);
+ const __be32 var32 = htonl(elapsed_time);
memcpy(to, &var32, 4);
}
@@ -392,14 +392,13 @@
void dccp_insert_option_timestamp(struct sock *sk, struct sk_buff *skb)
{
struct timeval tv;
- u32 now;
+ __be32 now;
dccp_timestamp(sk, &tv);
- now = timeval_usecs(&tv) / 10;
+ now = htonl(timeval_usecs(&tv) / 10);
/* yes this will overflow but that is the point as we want a
* 10 usec 32 bit timer which mean it wraps every 11.9 hours */
- now = htonl(now);
dccp_insert_option(sk, skb, DCCPO_TIMESTAMP, &now, sizeof(now));
}
@@ -414,7 +413,7 @@
"CLIENT TX opt: " : "server TX opt: ";
#endif
struct timeval now;
- u32 tstamp_echo;
+ __be32 tstamp_echo;
u32 elapsed_time;
int len, elapsed_time_len;
unsigned char *to;
@@ -441,10 +440,10 @@
to += 4;
if (elapsed_time_len == 2) {
- const u16 var16 = htons((u16)elapsed_time);
+ const __be16 var16 = htons((u16)elapsed_time);
memcpy(to, &var16, 2);
} else if (elapsed_time_len == 4) {
- const u32 var32 = htonl(elapsed_time);
+ const __be32 var32 = htonl(elapsed_time);
memcpy(to, &var32, 4);
}