Unverified Commit 814d7b4c authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!7346 ppp_async: limit MRU to 64K 

Merge Pull Request from: @ci-robot 
 
PR sync from: Guo Mengqi <guomengqi3@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/SHJUOZ4ILOAS3JD6HG4DOJKE32GJ7DMR/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9DNIJ 
 
Link:https://gitee.com/openeuler/kernel/pulls/7346

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents f545d286 3b9bf1ad

drivers/net/ppp/ppp_async.c

+4 −0
Original line number Diff line number Diff line
@@ -471,6 +471,10 @@ ppp_async_ioctl(struct ppp_channel *chan, unsigned int cmd, unsigned long arg) 
	case PPPIOCSMRU:

		if (get_user(val, p))

			break;

		if (val > U16_MAX) {

			err = -EINVAL;

			break;

		}

		if (val < PPP_MRU)

			val = PPP_MRU;

		ap->mru = val;