Unverified Commit da35ba99 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!3072 printk: ringbuffer: Fix truncating buffer size min_t cast 

Merge Pull Request from: @ci-robot 
 
PR sync from: Ye Weihua <yeweihua4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/LKHL2IVY56IYQPXWBXD5ZDMPMLCE76M7/ 
 
https://gitee.com/openeuler/kernel/issues/I8KG4V 
 
Link:https://gitee.com/openeuler/kernel/pulls/3072

 

Reviewed-by: default avatarXu Kuohai <xukuohai@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 90801b83 8b7b2f4d

kernel/printk/printk_ringbuffer.c

+1 −1
Original line number Diff line number Diff line
@@ -1726,7 +1726,7 @@ static bool copy_data(struct prb_data_ring *data_ring, 
	if (!buf || !buf_size)

		return true;



	data_size = min_t(u16, buf_size, len);

	data_size = min_t(unsigned int, buf_size, len);



	memcpy(&buf[0], data, data_size); /* LMM(copy_data:A) */

	return true;