Re: [PATCH] b2iscsi: Fix memory leak in mgmt_set_ip()

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On 06/27/2014 09:38 PM, Maurizio Lombardi wrote:
>
>>> diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
>>> index 07934b0..a3e5648 100644
>>> --- a/drivers/scsi/be2iscsi/be_mgmt.c
>>> +++ b/drivers/scsi/be2iscsi/be_mgmt.c
>>> @@ -1015,7 +1015,7 @@ int mgmt_set_ip(struct beiscsi_hba *phba,
>>>  		if (if_info->dhcp_state) {
>>>  			beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
>>>  				    "BG_%d : DHCP Already Enabled\n");
>>> -			return 0;
>>> +			goto exit;
>> rc should be initialised - so this needs to be added to your patch
> It is initialized at the beginning of the function, and it must contain zero when the "goto exit" is executed.

Correct, I haven't noticed the initialisation, sorry for the confusion.
--tm

>
> int mgmt_set_ip(struct beiscsi_hba *phba,
>                 struct iscsi_iface_param_info *ip_param,
>                 struct iscsi_iface_param_info *subnet_param,
>                 uint32_t boot_proto)
> {
>         struct be_cmd_get_def_gateway_resp gtway_addr_set;
>         struct be_cmd_get_if_info_resp *if_info;
>         struct be_cmd_set_dhcp_req *dhcpreq;
>         struct be_cmd_rel_dhcp_req *reldhcp;
>         struct be_dma_mem nonemb_cmd;
>         uint8_t *gtway_addr;
>         uint32_t ip_type;
>         int rc;
>
>         if (mgmt_get_all_if_id(phba))
>                 return -EIO;
>
>         ip_type = (ip_param->param == ISCSI_NET_PARAM_IPV6_ADDR) ?
>                 BE2_IPV6 : BE2_IPV4 ;
>
>         rc = mgmt_get_if_info(phba, ip_type, &if_info); <-------------- here
>         if (rc)
>                 return rc;
>
>         if (boot_proto == ISCSI_BOOTPROTO_DHCP) {
>                 if (if_info->dhcp_state) {
>                         beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
>                                     "BG_%d : DHCP Already Enabled\n");
>                         goto exit;
>                 }
>
> Regards,
> Maurizio Lombardi
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