On Jul 13, 2015, at 10:43 PM, Greg Kroah-Hartman wrote:
> On Wed, Jul 08, 2015 at 11:45:59AM +0300, Dan Carpenter wrote:
>> On Mon, Jul 06, 2015 at 12:48:56PM -0400, green@xxxxxxxxxxxxxx wrote:
>>> +static int libcfs_param_debug_mb_set(const char *val,
>>> + const struct kernel_param *kp)
>>> +{
>>> + int rc;
>>> + unsigned num;
>>> +
>>> + rc = kstrtouint(val, 0, &num);
>>> + if (rc == -EINVAL)
>>> + return -EINVAL;
>>
>> Presumably, this is root only so using num uninitialized is not an
>> information leak.
>
> But it's not good, this should be a check for rc < 0 to make sure.
>
> Oleg, can you send a follow-on patch to fix this up?
Sure.
Do you want it now or should I wait till you merge my previous bunch?
Bye,
Oleg
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