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Diffstat (limited to 'net/sctp/socket.c')
-rw-r--r--net/sctp/socket.c36
1 files changed, 26 insertions, 10 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 72046b9729a8..42b709c95cf3 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2196,6 +2196,7 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
 				     unsigned int optlen)
 {
 	struct sctp_sock *sp = sctp_sk(sk);
+	struct net *net = sock_net(sk);
 
 	/* Applicable to UDP-style socket only */
 	if (sctp_style(sk, TCP))
@@ -2205,6 +2206,9 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
 	if (copy_from_user(&sp->autoclose, optval, optlen))
 		return -EFAULT;
 
+	if (sp->autoclose > net->sctp.max_autoclose)
+		sp->autoclose = net->sctp.max_autoclose;
+
 	return 0;
 }
 
@@ -2811,6 +2815,8 @@ static int sctp_setsockopt_rtoinfo(struct sock *sk, char __user *optval, unsigne
 {
 	struct sctp_rtoinfo rtoinfo;
 	struct sctp_association *asoc;
+	unsigned long rto_min, rto_max;
+	struct sctp_sock *sp = sctp_sk(sk);
 
 	if (optlen != sizeof (struct sctp_rtoinfo))
 		return -EINVAL;
@@ -2824,26 +2830,36 @@ static int sctp_setsockopt_rtoinfo(struct sock *sk, char __user *optval, unsigne
 	if (!asoc && rtoinfo.srto_assoc_id && sctp_style(sk, UDP))
 		return -EINVAL;
 
+	rto_max = rtoinfo.srto_max;
+	rto_min = rtoinfo.srto_min;
+
+	if (rto_max)
+		rto_max = asoc ? msecs_to_jiffies(rto_max) : rto_max;
+	else
+		rto_max = asoc ? asoc->rto_max : sp->rtoinfo.srto_max;
+
+	if (rto_min)
+		rto_min = asoc ? msecs_to_jiffies(rto_min) : rto_min;
+	else
+		rto_min = asoc ? asoc->rto_min : sp->rtoinfo.srto_min;
+
+	if (rto_min > rto_max)
+		return -EINVAL;
+
 	if (asoc) {
 		if (rtoinfo.srto_initial != 0)
 			asoc->rto_initial =
 				msecs_to_jiffies(rtoinfo.srto_initial);
-		if (rtoinfo.srto_max != 0)
-			asoc->rto_max = msecs_to_jiffies(rtoinfo.srto_max);
-		if (rtoinfo.srto_min != 0)
-			asoc->rto_min = msecs_to_jiffies(rtoinfo.srto_min);
+		asoc->rto_max = rto_max;
+		asoc->rto_min = rto_min;
 	} else {
 		/* If there is no association or the association-id = 0
 		 * set the values to the endpoint.
 		 */
-		struct sctp_sock *sp = sctp_sk(sk);
-
 		if (rtoinfo.srto_initial != 0)
 			sp->rtoinfo.srto_initial = rtoinfo.srto_initial;
-		if (rtoinfo.srto_max != 0)
-			sp->rtoinfo.srto_max = rtoinfo.srto_max;
-		if (rtoinfo.srto_min != 0)
-			sp->rtoinfo.srto_min = rtoinfo.srto_min;
+		sp->rtoinfo.srto_max = rto_max;
+		sp->rtoinfo.srto_min = rto_min;
 	}
 
 	return 0;