[PATCH] (11/17) econet -- size_t for send/recvmsg
From: Stephen Hemminger <hidden>
Date: 2004-01-09 22:03:23
Convert econet over to unsigned length for send/recv msg. Add a bounds check based on device mtu - header. diff -Nru a/net/econet/af_econet.c b/net/econet/af_econet.c
--- a/net/econet/af_econet.c Mon Dec 8 16:20:01 2003
+++ b/net/econet/af_econet.c Mon Dec 8 16:20:01 2003@@ -113,11 +113,12 @@ */ static int econet_recvmsg(struct kiocb *iocb, struct socket *sock, - struct msghdr *msg, int len, int flags) + struct msghdr *msg, size_t len, int flags) { struct sock *sk = sock->sk; struct sk_buff *skb; - int copied, err; + size_t copied; + int err; msg->msg_namelen = sizeof(struct sockaddr_ec);
@@ -246,7 +247,7 @@ */ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock, - struct msghdr *msg, int len) + struct msghdr *msg, size_t len) { struct sock *sk = sock->sk; struct sockaddr_ec *saddr=(struct sockaddr_ec *)msg->msg_name;
@@ -307,6 +308,9 @@ if (dev == NULL) return -ENETDOWN; } + + if (len + 15 > dev->mtu) + return -EMSGSIZE; if (dev->type == ARPHRD_ECONET) {