Unverified Commit b1d54e6f authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
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!11818 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/J33VHOJJFGHESIGQDQOYO3JTL22UPVUX/ 
 
https://gitee.com/src-openeuler/kernel/issues/IARWG0 
 
Link:https://gitee.com/openeuler/kernel/pulls/11818

 

Reviewed-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents 4c94bdfb 28a66432

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 * Callback from vmbus_event when channel is rescinded.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);



	/*