Re: [PATCH v3] vt: Fix a missing-check bug in con_init()

[Jiri Slaby]

On 09. 06. 19, 2:15, Nicolas Pitre wrote:
>>>> +fail1:
>>>> +	while (currcons > 0) {
>>>> +		currcons--;
>>>> +		kfree(vc_cons[currcons].d->vc_screenbuf);
>>>> +fail2:
>>>> +		kfree(vc_cons[currcons].d);
>>>> +		vc_cons[currcons].d = NULL;
>>>> +	}
>>
>> Wait, will that even work?  You can jump into the middle of a while
>> loop?
> 
> Absolutely.

In C99, exceptions are only blocks with variable-sized declarations
(like "int a[b]").

thanks,
-- 
js
suse labs