On 11/27/16 7:53 PM, 张胜举 wrote: > > >> -----Original Message----- >> From: David Ahern [mailto:d...@cumulusnetworks.com] >> Sent: Monday, November 28, 2016 10:39 AM >> To: 张胜举 <zhangshen...@cmss.chinamobile.com>; >> netdev@vger.kernel.org >> Subject: Re: [net,v2] neigh: fix the loop index error in neigh dump >> >> On 11/27/16 7:34 PM, 张胜举 wrote: >>>> -----Original Message----- >>>> From: David Ahern [mailto:d...@cumulusnetworks.com] >>>> Sent: Monday, November 28, 2016 10:10 AM >>>> To: Zhang Shengju <zhangshen...@cmss.chinamobile.com>; >>>> netdev@vger.kernel.org >>>> Subject: Re: [net,v2] neigh: fix the loop index error in neigh dump >>>> >>>> On 11/27/16 6:32 PM, Zhang Shengju wrote: >>>>> Loop index in neigh dump function is not updated correctly under >>>>> some circumstances, this patch will fix it. >>>> >>>> What's an example? >>> >>> If dev is filtered out, the original code goes to next loop without >>> updating loop index 'idx'. >> >> And you have a use case with missing or redundant data? Or is your >> comment based on a review of code only? > It's on my code review. No use case currently, this is uncommon to happen. > > >> >>>> You are completely rewriting the dump loops. >>> >>> I put 'idx++' into for loop, so I replace 'goto' with 'continue'. >>> The other change is style related. >> >> A "fixes" should not include 'style related' changes. > Okay, I will send another version without style changes. >
Personally, I think you need to produce a use case that fails before sending another patch. I have not seen a problem with this code.