Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-12 23:23:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'pci/controller/hv'

Browse Source 
- To avoid a NULL pointer dereference, skip MSI restore after hibernate if
  MSI/MSI-X hasn't been enabled (Dexuan Cui)

* pci/controller/hv:
  PCI: hv: Fix a crash in hv_pci_restore_msi_msg() during hibernation
This commit is contained in:
Bjorn Helgaas 2023-08-29 11:03:52 -05:00
commit 59a2b16dd5
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/pci/controller/pci-hyperv.c
View File

@ -3983,6 +3983,9 @@ static int hv_pci_restore_msi_msg(struct pci_dev *pdev, void *arg)
struct msi_desc *entry;
int ret = 0;
if (!pdev->msi_enabled && !pdev->msix_enabled)
return 0;
msi_lock_descs(&pdev->dev);
msi_for_each_desc(entry, &pdev->dev, MSI_DESC_ASSOCIATED) {
irq_data = irq_get_irq_data(entry->irq);