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authorDavid S. Miller <davem@davemloft.net>2008-03-18 00:37:55 -0700
committerDavid S. Miller <davem@davemloft.net>2008-03-18 00:37:55 -0700
commit577f99c1d08cf9cbdafd4e858dd13ff04d855090 (patch)
tree0f726bbda9b18d311d4c95198bbd96cb7ac01db0 /net/sctp/socket.c
parent26c0f03f6b77c513cb7bc37b73a06819bdbb791b (diff)
parent2f633928cbba8a5858bb39b11e7219a41b0fbef5 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/wireless/rt2x00/rt2x00dev.c net/8021q/vlan_dev.c
Diffstat (limited to 'net/sctp/socket.c')
-rw-r--r--net/sctp/socket.c73
1 files changed, 60 insertions, 13 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 1316694d0a21..a3138a0fe2c5 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2933,17 +2933,39 @@ static int sctp_setsockopt_maxburst(struct sock *sk,
char __user *optval,
int optlen)
{
+ struct sctp_assoc_value params;
+ struct sctp_sock *sp;
+ struct sctp_association *asoc;
int val;
+ int assoc_id = 0;
- if (optlen != sizeof(int))
+ if (optlen < sizeof(int))
return -EINVAL;
- if (get_user(val, (int __user *)optval))
- return -EFAULT;
- if (val < 0)
+ if (optlen == sizeof(int)) {
+ printk(KERN_WARNING
+ "SCTP: Use of int in max_burst socket option deprecated\n");
+ printk(KERN_WARNING
+ "SCTP: Use struct sctp_assoc_value instead\n");
+ if (copy_from_user(&val, optval, optlen))
+ return -EFAULT;
+ } else if (optlen == sizeof(struct sctp_assoc_value)) {
+ if (copy_from_user(&params, optval, optlen))
+ return -EFAULT;
+ val = params.assoc_value;
+ assoc_id = params.assoc_id;
+ } else
return -EINVAL;
- sctp_sk(sk)->max_burst = val;
+ sp = sctp_sk(sk);
+
+ if (assoc_id != 0) {
+ asoc = sctp_id2assoc(sk, assoc_id);
+ if (!asoc)
+ return -EINVAL;
+ asoc->max_burst = val;
+ } else
+ sp->max_burst = val;
return 0;
}
@@ -5005,20 +5027,45 @@ static int sctp_getsockopt_maxburst(struct sock *sk, int len,
char __user *optval,
int __user *optlen)
{
- int val;
+ struct sctp_assoc_value params;
+ struct sctp_sock *sp;
+ struct sctp_association *asoc;
if (len < sizeof(int))
return -EINVAL;
- len = sizeof(int);
+ if (len == sizeof(int)) {
+ printk(KERN_WARNING
+ "SCTP: Use of int in max_burst socket option deprecated\n");
+ printk(KERN_WARNING
+ "SCTP: Use struct sctp_assoc_value instead\n");
+ params.assoc_id = 0;
+ } else if (len == sizeof (struct sctp_assoc_value)) {
+ if (copy_from_user(&params, optval, len))
+ return -EFAULT;
+ } else
+ return -EINVAL;
- val = sctp_sk(sk)->max_burst;
- if (put_user(len, optlen))
- return -EFAULT;
- if (copy_to_user(optval, &val, len))
- return -EFAULT;
+ sp = sctp_sk(sk);
+
+ if (params.assoc_id != 0) {
+ asoc = sctp_id2assoc(sk, params.assoc_id);
+ if (!asoc)
+ return -EINVAL;
+ params.assoc_value = asoc->max_burst;
+ } else
+ params.assoc_value = sp->max_burst;
+
+ if (len == sizeof(int)) {
+ if (copy_to_user(optval, &params.assoc_value, len))
+ return -EFAULT;
+ } else {
+ if (copy_to_user(optval, &params, len))
+ return -EFAULT;
+ }
+
+ return 0;
- return -ENOTSUPP;
}
static int sctp_getsockopt_hmac_ident(struct sock *sk, int len,