Re: [PATCH v2 1/2] pinctrl: use to octal permissions for debugfs files

From: Joe Perches
Date: Wed Feb 10 2021 - 18:17:11 EST


On Wed, 2021-02-10 at 13:21 -0800, Drew Fustini wrote:
> I will change from the incorrect 0400 to 0444.

Thanks.

> As for S_IFREG, it does seem like leaving off S_IFREG is the most common
> case when using octal permissions with debugfs_create_*():
>
> $ git grep debugfs_create drivers/ |grep 0444 |grep -v S_IFREG | wc -l
> 302
> $ git grep debugfs_create drivers/ |grep 0444 |grep S_IFREG | wc -l
> 9

It's ~2:1 when using S_IRUGO

$ git grep debugfs_create_file drivers/ | grep S_IRUGO | grep -v S_IFREG | wc -l
109
$ git grep debugfs_create_file drivers/ | grep S_IRUGO | grep S_IFREG | wc -l
48