Unverified Commit 5cba44e1 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!4396 [OLK-6.6] perf/x86/zhaoxin/uncore: add NULL pointer check after kzalloc 

Merge Pull Request from: @leoliu-oc 
 
Add NULL pointer check after kzalloc in uncore_pci_probe().

### Issue
https://gitee.com/openeuler/kernel/issues/I90GXO 
 
Link:https://gitee.com/openeuler/kernel/pulls/4396

 

Reviewed-by: default avatarJason Zeng <jason.zeng@intel.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parents df5fdb96 f82a9fc2

arch/x86/events/zhaoxin/uncore.c

+2 −0
Original line number Diff line number Diff line
@@ -1591,6 +1591,8 @@ static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id 
		loop = 1;



	boxes = kzalloc(loop * sizeof(struct zhaoxin_uncore_box *), GFP_KERNEL);

	if (!boxes)

		return -ENOMEM;



	for (i = 0; i < loop; i++) {

		type = uncore_pci_uncores[UNCORE_PCI_DEV_TYPE(id->driver_data) + j];