Unverified Commit 606e9f58 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!8786 tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc 

Merge Pull Request from: @ci-robot 
 
PR sync from: Xiang Yang <xiangyang3@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/BBYSDO6LZWAX5EGII3WF2UUUJQQCFGTB/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9S26U 
 
Link:https://gitee.com/openeuler/kernel/pulls/8786

 

Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents 64b422d4 24c6978d

drivers/tty/n_gsm.c

+3 −0
Original line number Diff line number Diff line
@@ -2360,6 +2360,9 @@ static int gsmld_open(struct tty_struct *tty) 
	struct gsm_mux *gsm;

	int ret;



	if (!capable(CAP_NET_ADMIN))

		return -EPERM;



	if (tty->ops->write == NULL)

		return -EINVAL;