Re: [PATCH 1/2] mm, treewide: Rename kzfree() to kfree_sensitive()

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On 4/14/20 8:48 AM, David Sterba wrote:
> On Mon, Apr 13, 2020 at 05:15:49PM -0400, Waiman Long wrote:
>>  fs/btrfs/ioctl.c                              |  2 +-
>
>> diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
>> index 40b729dce91c..eab3f8510426 100644
>> --- a/fs/btrfs/ioctl.c
>> +++ b/fs/btrfs/ioctl.c
>> @@ -2691,7 +2691,7 @@ static int btrfs_ioctl_get_subvol_info(struct file *file, void __user *argp)
>>  	btrfs_put_root(root);
>>  out_free:
>>  	btrfs_free_path(path);
>> -	kzfree(subvol_info);
>> +	kfree_sensitive(subvol_info);
> This is not in a sensitive context so please switch it to plain kfree.
> With that you have my acked-by. Thanks.
>
Thanks for letting me know about. I think I will send it out as a
separate patch.

Cheers,
Longman





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