Re: [PATCH 05/11] touchscreen: elants: Use octal permissions
From: Joe Perches <joe@perches.com>
Date: 2018-07-23 17:25:17
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On Mon, 2018-07-23 at 10:18 -0700, Dmitry Torokhov wrote:
On Mon, Jul 23, 2018 at 03:32:00PM +0200, Greg Kroah-Hartman wrote:quoted
On Mon, Jul 23, 2018 at 06:49:20PM +0530, dev-harsh1998 wrote:quoted
WARNING: Symbolic permissions 'S_IRUGO' are not preferred. Consider using octal permissions '0444'. +static DEVICE_ATTR(iap_mode, S_IRUGO, show_iap_mode, NULL); WARNING: Symbolic permissions 'S_IWUSR' are not preferred. Consider using octal permissions '0200'. +static DEVICE_ATTR(update_fw, S_IWUSR, NULL, write_update_fw) WARNING: Symbolic permissions 'S_IRUGO' are not preferred. Consider using octal permissions '0444'. + .dattr = __ATTR(_field, S_IRUGO, \ Signed-off-by: Harshit Jain <redacted>This name doesn't match up with the From: line above :( Please fix up and try again.dtor@dtor-ws:~/kernel/linux-next$ git grep S_IRU | wc -l 7605 We either need to run a tree-wide script or leave this alone. FWIW I am perfectly fine with either octals or symbolic names so I do not see benefit of doing conversion for code that is not known to be broken.
About half of those are in one subsystem (drivers/hwmon)
$ git grep -w S_IRUGO | cut -f1,2 -d'/' | \
sort | uniq -c | sort -rn | head -10 | cat -n
1 3846 drivers/hwmon
2 748 drivers/scsi
3 215 drivers/infiniband
4 168 drivers/usb
5 109 drivers/media
6 106 drivers/input
7 102 drivers/platform
8 101 drivers/misc
9 101 drivers/gpu
10 91 drivers/edac
The generic reason is octal is readable and S_<FOO> is unintelligible.
https://lkml.org/lkml/2016/8/2/1945