Unverified Commit 558e546e authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!9225 can: sja1000: fix use after free in ems_pcmcia_add_card() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Chen Zhongjin <chenzhongjin@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/4LDAGSHDGNWBWMHNRPKBO7LUEQN4NKZA/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9S254 
 
Link:https://gitee.com/openeuler/kernel/pulls/9225

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Reviewed-by: default avatarXu Kuohai <xukuohai@huawei.com>
Reviewed-by: default avatarYe Weihua <yeweihua4@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents c2429151 c17db233

drivers/net/can/sja1000/ems_pcmcia.c

+6 −1
Original line number Diff line number Diff line
@@ -243,7 +243,12 @@ static int ems_pcmcia_add_card(struct pcmcia_device *pdev, unsigned long base) 
			free_sja1000dev(dev);

	}



	err = request_irq(dev->irq, &ems_pcmcia_interrupt, IRQF_SHARED,

	if (!card->channels) {

		err = -ENODEV;

		goto failure_cleanup;

	}



	err = request_irq(pdev->irq, &ems_pcmcia_interrupt, IRQF_SHARED,

			  DRV_NAME, card);

	if (!err)

		return 0;