[PATCH] nfc: virtual_ncidev: change default device permissions

From: Thadeu Lima de Souza Cascardo
Date: Thu Nov 25 2021 - 09:17:23 EST


Device permissions is S_IALLUGO, with many unnecessary bits. Remove them
and also remove read and write permissions from group and others.

Before the change:
crwsrwsrwt 1 0 0 10, 125 Nov 25 13:59 /dev/virtual_nci

After the change:
crw------- 1 0 0 10, 125 Nov 25 14:05 /dev/virtual_nci

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxxxxx>
---
drivers/nfc/virtual_ncidev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nfc/virtual_ncidev.c b/drivers/nfc/virtual_ncidev.c
index 221fa3bb8705..f577449e4935 100644
--- a/drivers/nfc/virtual_ncidev.c
+++ b/drivers/nfc/virtual_ncidev.c
@@ -202,7 +202,7 @@ static int __init virtual_ncidev_init(void)
miscdev.minor = MISC_DYNAMIC_MINOR;
miscdev.name = "virtual_nci";
miscdev.fops = &virtual_ncidev_fops;
- miscdev.mode = S_IALLUGO;
+ miscdev.mode = 0600;

return misc_register(&miscdev);
}
--
2.32.0