Unverified Commit 2f9e5e28 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!15115 netfilter: x_tables: fix LED ID check in led_tg_check() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Dong Chenchen <dongchenchen2@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/5GHU6ILUEWZUQSSF7YJU2DAPDKWOBYMN/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBEAO6 
 
Link:https://gitee.com/openeuler/kernel/pulls/15115

 

Reviewed-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
Reviewed-by: default avatarYuan Can <yuancan@huawei.com>
Signed-off-by: default avatarYuan Can <yuancan@huawei.com>
parents 3d318b1e 481ac2a3

net/netfilter/xt_LED.c

+3 −1
Original line number Diff line number Diff line
@@ -111,7 +111,9 @@ static int led_tg_check(const struct xt_tgchk_param *par) 
	struct xt_led_info_internal *ledinternal;

	int err;



	if (ledinfo->id[0] == '\0')

	/* Bail out if empty string or not a string at all. */

	if (ledinfo->id[0] == '\0' ||

	    !memchr(ledinfo->id, '\0', sizeof(ledinfo->id)))

		return -EINVAL;



	mutex_lock(&xt_led_mutex);