linux-kernel - Re: [Patch 2/12] IPMI: remove interface number limits

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 05 Dec 2006 07:50:47 -0600
From:	Corey Minyard <minyard@....org>
To:	Andrew Morton <akpm@...l.org>
CC:	Linux Kernel <linux-kernel@...r.kernel.org>,
	OpenIPMI Developers <openipmi-developer@...ts.sourceforge.net>,
	Carol Hebert <cah@...ibm.com>
Subject: Re: [Patch 2/12] IPMI: remove interface number limits

Andrew Morton wrote:
> On Fri, 1 Dec 2006 22:24:22 -0600
> Corey Minyard <minyard@....org> wrote:
>
>   
>> This patch removes the arbitrary limit of number of IPMI interfaces.
>> This has been tested with 8 interfaces.
>>
>> Signed-off-by: Corey Minyard <minyard@....org>
>> Cc: Carol Hebert <cah@...ibm.com>
>>
>> ..
>>
>> +struct watcher_entry {
>> +	struct list_head link;
>> +	int intf_num;
>> +};
>> +
>>  int ipmi_smi_watcher_register(struct ipmi_smi_watcher *watcher)
>>  {
>> -	int           i;
>> -	unsigned long flags;
>> +	ipmi_smi_t intf;
>> +	struct list_head to_deliver = LIST_HEAD_INIT(to_deliver);
>> +	struct watcher_entry *e, *e2;
>> +
>> +	mutex_lock(&ipmi_interfaces_mutex);
>> +
>> +	list_for_each_entry_rcu(intf, &ipmi_interfaces, link) {
>> +		if (intf->intf_num == -1)
>> +			continue;
>> +		e = kmalloc(sizeof(*e), GFP_KERNEL);
>> +		if (!e)
>> +			goto out_err;
>>     
>
> You miss a mutex_unlock(&ipmi_interfaces_mutex) here
>   
This is actually fixed in patch 4 (ipmi-system-interface-hotplug.patch)

-Corey

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/