Unverified Commit 6966f4d4 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11767 [sync] PR-11733: Input: MT - limit max slots 

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/11733 
 
PR sync from: Yuan Can <yuancan@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ZAVJZG7SOKMKWV6WTE5XHZTO5KZN4TLN/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAOXZN 
 
Link:https://gitee.com/openeuler/kernel/pulls/11767

 

Reviewed-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 8c61d985 43995f0f

drivers/input/input-mt.c

+3 −0
Original line number Diff line number Diff line
@@ -45,6 +45,9 @@ int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots, 
		return 0;

	if (mt)

		return mt->num_slots != num_slots ? -EINVAL : 0;

	/* Arbitrary limit for avoiding too large memory allocation. */

	if (num_slots > 1024)

		return -EINVAL;



	mt = kzalloc(struct_size(mt, slots, num_slots), GFP_KERNEL);

	if (!mt)