[ccan] [PATCH 7/7] net: Add check for failure of setsockopt()

[Rusty Russell]

David Gibson <david at gibson.dropbear.id.au> writes:
> make_listen_fd() didn't check for failure of setsockopt().  There's no
> real reason not to, since we have an obvious way to report an error to the
> caller.
>
> Found with Coverity Scan.
>
> Signed-off-by: David Gibson <david at gibson.dropbear.id.au>

Great, all but the one I commented on look fine.  Please apply...

Acked-by: Rusty Russell <rusty at rustcorp.com.au>

Thanks,
Rusty.

> ---
>  ccan/net/net.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/ccan/net/net.c b/ccan/net/net.c
> index e919983..11c6b67 100644
> --- a/ccan/net/net.c
> +++ b/ccan/net/net.c
> @@ -238,7 +238,9 @@ static int make_listen_fd(const struct addrinfo *addrinfo)
>  	if (fd < 0)
>  		return -1;
>  
> -	setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
> +	if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) != 0)
> +		goto fail;
> +
>  	if (bind(fd, addrinfo->ai_addr, addrinfo->ai_addrlen) != 0)
>  		goto fail;
>  
> -- 
> 2.9.3
>
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