netdev - Re: [PATCH net-next 1/5] tipc: silence sparse warnings

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Message-ID: <52455D03.6030308@donjonn.com>
Date:	Fri, 27 Sep 2013 06:25:07 -0400
From:	Jon Maloy <maloy@...jonn.com>
To:	Ying Xue <ying.xue@...driver.com>
CC:	Andreas Bofjäll <andreas.bofjall@...csson.com>,
	jon.maloy@...csson.com, netdev@...r.kernel.org,
	paul.gortmaker@...driver.com, erik.hugne@...csson.com,
	tipc-discussion@...ts.sourceforge.net
Subject: Re: [PATCH net-next 1/5] tipc: silence sparse warnings

On 09/27/2013 05:48 AM, Ying Xue wrote:
> On 09/27/2013 04:15 PM, Andreas Bofjäll wrote:
>> On 09/27/2013 10:01 AM, Ying Xue wrote:
>>> Good point!
>>> It's better for us to use memcpy_fromiovecend() instead of
>>> skb_copy_to_linear_data() and its friends.
>>>
>>> We will submit another version to correct this error soon.
Can you fix this asap, so I can re-post it? And, let's continue the thread
in tipc-discussion only until we (incl Paul) are happy with this patch.

///jon

>> I could be wrong here, but I think you should also remove the entire
>> cast on line 1210 in link.c:
>>
>> sect_crs = msg_sect[curr_sect].iov_base;
>>
>> There should be no reason to cast there since you made sect_crs into
>> const unchar* __user and msg_sect[].iov_base is void* __user.
>>
> You are right, thank you for your nice reminder!
>
> Regards,
> Ying
>
>> /Andreas
>>
>>

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