Unverified Commit f71d543d authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11817 uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind 

Merge Pull Request from: @ci-robot 
 
PR sync from: Cai Xinchen <caixinchen1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/QDKEXVI5HFMWT44ZVX2HYW7B4XOS34LN/ 
 
https://gitee.com/src-openeuler/kernel/issues/IARWG0 
 
Link:https://gitee.com/openeuler/kernel/pulls/11817

 

Reviewed-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents a7d98ce7 7728c63c

drivers/uio/uio_hv_generic.c

+2 −1
Original line number Diff line number Diff line
@@ -104,10 +104,11 @@ static void hv_uio_channel_cb(void *context) 


/*

 * Callback from vmbus_event when channel is rescinded.

 * It is meant for rescind of primary channels only.

 */

static void hv_uio_rescind(struct vmbus_channel *channel)

{

	struct hv_device *hv_dev = channel->primary_channel->device_obj;

	struct hv_device *hv_dev = channel->device_obj;

	struct hv_uio_private_data *pdata = hv_get_drvdata(hv_dev);



	/*