linux-kernel - Re: [PATCH v4 04/27] IB/Verbs: Reform IB-core cm

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Date:	Thu, 16 Apr 2015 14:55:35 +0200
From:	Michael Wang <yun.wang@...fitbricks.com>
To:	Hal Rosenstock <hal@....mellanox.co.il>
CC:	Roland Dreier <roland@...nel.org>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>,
	linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
	Tom Tucker <tom@...ngridcomputing.com>,
	Steve Wise <swise@...ngridcomputing.com>,
	Hoang-Nam Nguyen <hnguyen@...ibm.com>,
	Christoph Raisch <raisch@...ibm.com>,
	Mike Marciniszyn <infinipath@...el.com>,
	Eli Cohen <eli@...lanox.com>,
	Faisal Latif <faisal.latif@...el.com>,
	Jack Morgenstein <jackm@....mellanox.co.il>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Haggai Eran <haggaie@...lanox.com>,
	Ira Weiny <ira.weiny@...el.com>, Tom Talpey <tom@...pey.com>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Doug Ledford <dledford@...hat.com>
Subject: Re: [PATCH v4 04/27] IB/Verbs: Reform IB-core cm



On 04/16/2015 02:43 PM, Hal Rosenstock wrote:
[snip]
>> +
>> +		count++;
>>  	}
>> +
>> +	if (!count) {
>> +		device_unregister(cm_dev->device);
>> +		kfree(cm_dev);
>> +		return;
> 
> Nit: alternatively, this could be goto at end of this routine where
> there is same 2 calls. I think Jason made this comment on earlier set of
> these patches.

Thanks for the notify, I guess I missed it, my bad :-P

Will be "goto free" in next version.

Regards,
Michael Wang

> 
> -- Hal
> 
>> +	}
>> +
>>  	ib_set_client_data(ib_device, &cm_client, cm_dev);
>>  
>>  	write_lock_irqsave(&cm.device_lock, flags);
>> @@ -3825,6 +3835,9 @@ error1:
>>  	port_modify.set_port_cap_mask = 0;
>>  	port_modify.clr_port_cap_mask = IB_PORT_CM_SUP;
>>  	while (--i) {
>> +		if (!rdma_ib_or_iboe(ib_device, i))
>> +			continue;
>> +
>>  		port = cm_dev->port[i-1];
>>  		ib_modify_port(ib_device, port->port_num, 0, &port_modify);
>>  		ib_unregister_mad_agent(port->mad_agent);
>> @@ -3853,6 +3866,9 @@ static void cm_remove_one(struct ib_device *ib_device)
>>  	write_unlock_irqrestore(&cm.device_lock, flags);
>>  
>>  	for (i = 1; i <= ib_device->phys_port_cnt; i++) {
>> +		if (!rdma_ib_or_iboe(ib_device, i))
>> +			continue;
>> +
>>  		port = cm_dev->port[i-1];
>>  		ib_modify_port(ib_device, port->port_num, 0, &port_modify);
>>  		ib_unregister_mad_agent(port->mad_agent);
> 
--
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