Unverified Commit 3ab0788c authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11734 Input: MT - limit max slots 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yuan Can <yuancan@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/6CW4Z4XVA6KUVAFP2MQCOHMABVRAPARE/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAOXZN 
 
Link:https://gitee.com/openeuler/kernel/pulls/11734

 

Reviewed-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents a37b8248 8e2c4ce5

drivers/input/input-mt.c

+3 −0
Original line number Diff line number Diff line
@@ -48,6 +48,9 @@ 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)