Unverified Commit 5641f4b8 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!4257 nfc: nci: fix possible NULL pointer dereference in send_acknowledge() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Ziyang Xuan <william.xuanziyang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/A5ILQCWBHPNMEN6ZXTJU35PNRIVLO5AM/ 
 
https://gitee.com/src-openeuler/kernel/issues/I8YCSH 
 
Link:https://gitee.com/openeuler/kernel/pulls/4257

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 2c02ef08 29c129ce

net/nfc/nci/spi.c

+2 −0
Original line number Diff line number Diff line
@@ -151,6 +151,8 @@ static int send_acknowledge(struct nci_spi *nspi, u8 acknowledge) 
	int ret;



	skb = nci_skb_alloc(nspi->ndev, 0, GFP_KERNEL);

	if (!skb)

		return -ENOMEM;



	/* add the NCI SPI header to the start of the buffer */

	hdr = skb_push(skb, NCI_SPI_HDR_LEN);