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PR: 239143

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Reported and tested by:	Wes Maag <jwmaag@gmail.com>
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2019-07-14 21:08:54 +00:00
parent e5926fd368
commit b7b6b7a9c5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=349988
1 changed files with 7 additions and 0 deletions
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7
sys/x86/iommu/intel_drv.c
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@ -770,6 +770,13 @@ dmar_find(device_t dev, bool verbose)
const char *banner;
int i, dev_domain, dev_busno, dev_path_len;
/*
* This function can only handle PCI(e) devices.
*/
if (device_get_devclass(device_get_parent(dev)) !=
devclass_find("pci"))
return (NULL);
dmar_dev = NULL;
dev_domain = pci_get_domain(dev);
dev_path_len = dmar_dev_depth(dev);