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Diffstat (limited to 'net/ipv4/raw.c')
-rw-r--r--net/ipv4/raw.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 5b1ec586bae..d1835b1bc8c 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -259,7 +259,7 @@ int raw_rcv(struct sock *sk, struct sk_buff *skb)
return 0;
}
-static int raw_send_hdrinc(struct sock *sk, void *from, int length,
+static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
struct rtable *rt,
unsigned int flags)
{
@@ -298,7 +298,7 @@ static int raw_send_hdrinc(struct sock *sk, void *from, int length,
goto error_fault;
/* We don't modify invalid header */
- if (length >= sizeof(*iph) && iph->ihl * 4 <= length) {
+ if (length >= sizeof(*iph) && iph->ihl * 4U <= length) {
if (!iph->saddr)
iph->saddr = rt->rt_src;
iph->check = 0;
@@ -332,7 +332,7 @@ static void raw_probe_proto_opt(struct flowi *fl, struct msghdr *msg)
u8 __user *type = NULL;
u8 __user *code = NULL;
int probed = 0;
- int i;
+ unsigned int i;
if (!msg->msg_iov)
return;
@@ -384,7 +384,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
int err;
err = -EMSGSIZE;
- if (len < 0 || len > 0xFFFF)
+ if (len > 0xFFFF)
goto out;
/*
@@ -514,7 +514,10 @@ done:
kfree(ipc.opt);
ip_rt_put(rt);
-out: return err < 0 ? err : len;
+out:
+ if (err < 0)
+ return err;
+ return len;
do_confirm:
dst_confirm(&rt->u.dst);
@@ -610,7 +613,10 @@ static int raw_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
copied = skb->len;
done:
skb_free_datagram(sk, skb);
-out: return err ? err : copied;
+out:
+ if (err)
+ return err;
+ return copied;
}
static int raw_init(struct sock *sk)
@@ -691,11 +697,11 @@ static int raw_ioctl(struct sock *sk, int cmd, unsigned long arg)
struct sk_buff *skb;
int amount = 0;
- spin_lock_irq(&sk->sk_receive_queue.lock);
+ spin_lock_bh(&sk->sk_receive_queue.lock);
skb = skb_peek(&sk->sk_receive_queue);
if (skb != NULL)
amount = skb->len;
- spin_unlock_irq(&sk->sk_receive_queue.lock);
+ spin_unlock_bh(&sk->sk_receive_queue.lock);
return put_user(amount, (int __user *)arg);
}