netdev - Re: [PATCH] ip: add udp_csum, udp6_csum_tx, udp6_csum

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Message-ID: <20160502151910.3a1f6f3d@xeon-e3>
Date:	Mon, 2 May 2016 15:19:10 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	James Chapman <jchapman@...alix.com>
Cc:	Wang Shanker <shankerwangmiao@...il.com>, netdev@...r.kernel.org
Subject: Re: [PATCH] ip: add udp_csum, udp6_csum_tx, udp6_csum_rx control
 flags to ip l2tp add tunnel

On Thu, 28 Apr 2016 15:50:47 +0100
James Chapman <jchapman@...alix.com> wrote:

> Yes, that looks like the problem.
> 
> The comments in l2tp.h which indicate that the csum attributes are u8
> values are wrong. Code in net/l2tp/l2tp_netlink.c accesses these
> attributes using nla_get_flag().
> 
> Please submit a patch to fix l2tp_tunnel_sock_create(). Include good
> change notes and your signed-off-by tag so that it gets reviewed. See
> Documentation/SubmittingPatches if you haven't submitted a kernel
> patch here before.

Thank you for fixing this. James is is correct.
Please format the patch according to the submission guidelines.
For example, checkpatch complains about current patch.

ERROR: code indent should use tabs where possible
#156: FILE: net/l2tp/l2tp_core.c:1379:
+                         ! cfg->udp6_zero_tx_checksums;$

WARNING: please, no spaces at the start of a line
#156: FILE: net/l2tp/l2tp_core.c:1379:
+                         ! cfg->udp6_zero_tx_checksums;$

ERROR: space prohibited after that '!' (ctx:ExW)
#156: FILE: net/l2tp/l2tp_core.c:1379:
+                         ! cfg->udp6_zero_tx_checksums;
                          ^

ERROR: code indent should use tabs where possible
#159: FILE: net/l2tp/l2tp_core.c:1381:
+                         ! cfg->udp6_zero_rx_checksums;$

WARNING: please, no spaces at the start of a line
#159: FILE: net/l2tp/l2tp_core.c:1381:
+                         ! cfg->udp6_zero_rx_checksums;$

ERROR: space prohibited after that '!' (ctx:ExW)
#159: FILE: net/l2tp/l2tp_core.c:1381:
+                         ! cfg->udp6_zero_rx_checksums;
                          ^

ERROR: Missing Signed-off-by: line(s)


I am sorry that maintainers may seem like picky teachers in school
always putting redline around spelling errors, but this is how we work to teach
others how to follow the process.