* [PATCH][bpf-next] bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP case
@ 2017-07-04 15:21 Colin King
2017-07-04 15:26 ` Daniel Borkmann
2017-07-05 8:09 ` David Miller
0 siblings, 2 replies; 4+ messages in thread
From: Colin King @ 2017-07-04 15:21 UTC (permalink / raw)
To: Alexei Starovoitov, Daniel Borkmann, David S . Miller, netdev
Cc: kernel-janitors, linux-kernel
From: Colin Ian King <colin.king@canonical.com>
There appears to be a missing break in the TCP_BPF_SNDCWND_CLAMP case.
Currently the non-error path where val is greater than zero falls through
to the default case that sets the error return to -EINVAL. Add in
the missing break.
Detected by CoverityScan, CID#1449376 ("Missing break in switch")
Fixes: 13bf96411ad2 ("bpf: Adds support for setting sndcwnd clamp")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
net/core/filter.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/core/filter.c b/net/core/filter.c
index 94169572d002..c7f737058d89 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2867,6 +2867,7 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
tp->snd_cwnd_clamp = val;
tp->snd_ssthresh = val;
}
+ break;
default:
ret = -EINVAL;
}
--
2.11.0
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [PATCH][bpf-next] bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP case
2017-07-04 15:21 [PATCH][bpf-next] bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP case Colin King
@ 2017-07-04 15:26 ` Daniel Borkmann
2017-07-04 18:26 ` Lawrence Brakmo
2017-07-05 8:09 ` David Miller
1 sibling, 1 reply; 4+ messages in thread
From: Daniel Borkmann @ 2017-07-04 15:26 UTC (permalink / raw)
To: Colin King, Alexei Starovoitov, David S . Miller, netdev
Cc: kernel-janitors, linux-kernel, Lawrence Brakmo
[ +Lawrence ]
On 07/04/2017 05:21 PM, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> There appears to be a missing break in the TCP_BPF_SNDCWND_CLAMP case.
> Currently the non-error path where val is greater than zero falls through
> to the default case that sets the error return to -EINVAL. Add in
> the missing break.
>
> Detected by CoverityScan, CID#1449376 ("Missing break in switch")
>
> Fixes: 13bf96411ad2 ("bpf: Adds support for setting sndcwnd clamp")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
> ---
> net/core/filter.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/net/core/filter.c b/net/core/filter.c
> index 94169572d002..c7f737058d89 100644
> --- a/net/core/filter.c
> +++ b/net/core/filter.c
> @@ -2867,6 +2867,7 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
> tp->snd_cwnd_clamp = val;
> tp->snd_ssthresh = val;
> }
> + break;
> default:
> ret = -EINVAL;
> }
>
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH][bpf-next] bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP case
2017-07-04 15:26 ` Daniel Borkmann
@ 2017-07-04 18:26 ` Lawrence Brakmo
0 siblings, 0 replies; 4+ messages in thread
From: Lawrence Brakmo @ 2017-07-04 18:26 UTC (permalink / raw)
To: Daniel Borkmann, Colin King, Alexei Starovoitov, David S . Miller,
netdev@vger.kernel.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
On 7/4/17, 8:26 AM, "netdev-owner@vger.kernel.org on behalf of Daniel Borkmann" <netdev-owner@vger.kernel.org on behalf of daniel@iogearbox.net> wrote:
[ +Lawrence ]
On 07/04/2017 05:21 PM, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> There appears to be a missing break in the TCP_BPF_SNDCWND_CLAMP case.
> Currently the non-error path where val is greater than zero falls through
> to the default case that sets the error return to -EINVAL. Add in
> the missing break.
>
> Detected by CoverityScan, CID#1449376 ("Missing break in switch")
>
> Fixes: 13bf96411ad2 ("bpf: Adds support for setting sndcwnd clamp")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Daniel Borkmann daniel@iogearbox.net
Acked-by: Lawrence Brakmo <brakmo@fb.com>
> ---
> net/core/filter.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/net/core/filter.c b/net/core/filter.c
> index 94169572d002..c7f737058d89 100644
> --- a/net/core/filter.c
> +++ b/net/core/filter.c
> @@ -2867,6 +2867,7 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
> tp->snd_cwnd_clamp = val;
> tp->snd_ssthresh = val;
> }
> + break;
> default:
> ret = -EINVAL;
> }
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH][bpf-next] bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP case
2017-07-04 15:21 [PATCH][bpf-next] bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP case Colin King
2017-07-04 15:26 ` Daniel Borkmann
@ 2017-07-05 8:09 ` David Miller
1 sibling, 0 replies; 4+ messages in thread
From: David Miller @ 2017-07-05 8:09 UTC (permalink / raw)
To: colin.king; +Cc: ast, daniel, netdev, kernel-janitors, linux-kernel
From: Colin King <colin.king@canonical.com>
Date: Tue, 4 Jul 2017 16:21:12 +0100
> From: Colin Ian King <colin.king@canonical.com>
>
> There appears to be a missing break in the TCP_BPF_SNDCWND_CLAMP case.
> Currently the non-error path where val is greater than zero falls through
> to the default case that sets the error return to -EINVAL. Add in
> the missing break.
>
> Detected by CoverityScan, CID#1449376 ("Missing break in switch")
>
> Fixes: 13bf96411ad2 ("bpf: Adds support for setting sndcwnd clamp")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
Applied.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2017-07-04 15:21 [PATCH][bpf-next] bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP case Colin King
2017-07-04 15:26 ` Daniel Borkmann
2017-07-04 18:26 ` Lawrence Brakmo
2017-07-05 8:09 ` David Miller
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