Re: [TIPC] Missing null check in the socket code.

[Max Krasnyansky <maxk@qualcomm.com>]

Max Krasnyansky wrote:
> Fixes an oops in the non-blocking mode.
> 
> Signed-off-by: Max Krasnyansky <maxk@qualcomm.com>
> ---
>  net/tipc/socket.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/net/tipc/socket.c b/net/tipc/socket.c
> index 2a6a5a6..767f791 100644
> --- a/net/tipc/socket.c
> +++ b/net/tipc/socket.c
> @@ -862,6 +862,10 @@ restart:
>  	/* Get access to first message in receive queue */
>  
>  	buf = skb_peek(&sock->sk->sk_receive_queue);
> +	if (NULL == buf) {
> +		res = -EAGAIN;
> +		goto exit;
> +	}
>  	msg = buf_msg(buf);
>  	sz = msg_data_sz(msg);
>  	err = msg_errcode(msg);

Just a reminder. Please apply.

Thanx
Max