netdev - Re: [iproute PATCH 14/51] ipvrf: Don't try to close an invalid fd

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Date:   Sun, 13 Aug 2017 09:59:04 -0600
From:   David Ahern <dsahern@...il.com>
To:     Phil Sutter <phil@....cc>,
        Stephen Hemminger <stephen@...workplumber.org>
Cc:     netdev@...r.kernel.org
Subject: Re: [iproute PATCH 14/51] ipvrf: Don't try to close an invalid fd

On 8/12/17 6:04 AM, Phil Sutter wrote:
> Signed-off-by: Phil Sutter <phil@....cc>
> ---
>  ip/ipvrf.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/ip/ipvrf.c b/ip/ipvrf.c
> index 0094cf8557cd7..92e2db98ca7d7 100644
> --- a/ip/ipvrf.c
> +++ b/ip/ipvrf.c
> @@ -268,7 +268,7 @@ static int vrf_configure_cgroup(const char *path, int ifindex)
>  		fprintf(stderr,
>  			"Failed to open cgroup path: '%s'\n",
>  			strerror(errno));
> -		goto out;
> +		return rc;
>  	}
>  
>  	/*
> @@ -290,13 +290,14 @@ static int vrf_configure_cgroup(const char *path, int ifindex)
>  	if (bpf_prog_attach_fd(prog_fd, cg_fd, BPF_CGROUP_INET_SOCK_CREATE)) {
>  		fprintf(stderr, "Failed to attach prog to cgroup: '%s'\n",
>  			strerror(errno));
> -		goto out;
> +		goto out2;
>  	}
>  
>  	rc = 0;
> +out2:
> +	close(prog_fd);
>  out:
>  	close(cg_fd);
> -	close(prog_fd);
>  
>  	return rc;
>  }
> 

Acked-by: David Ahern <dsahern@...il.com>