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[SCTP]: Return socket errors only if the receive queue is empty. 

This patch fixes an issue where it is possible to get valid data after
a ENOTCONN error. It returns socket errors only after data queued on
socket receive queue is consumed.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Neil Horman 2005-12-02 20:30:06 -08:00 committed by David S. Miller
parent 1b0997f561
commit 6736dc35e9
1 changed files with 5 additions and 5 deletions
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10
net/sctp/socket.c
View File

@ -4743,11 +4743,6 @@ static struct sk_buff *sctp_skb_recv_datagram(struct sock *sk, int flags,
struct sk_buff *skb;
long timeo;
/* Caller is allowed not to check sk->sk_err before calling. */
error = sock_error(sk);
if (error)
goto no_packet;
timeo = sock_rcvtimeo(sk, noblock);
SCTP_DEBUG_PRINTK("Timeout: timeo: %ld, MAX: %ld.\n",
@ -4774,6 +4769,11 @@ static struct sk_buff *sctp_skb_recv_datagram(struct sock *sk, int flags,
if (skb)
return skb;
/* Caller is allowed not to check sk->sk_err before calling. */
error = sock_error(sk);
if (error)
goto no_packet;
if (sk->sk_shutdown & RCV_SHUTDOWN)
break;