diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 56297298d6ee..162b3236e72c 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2504,7 +2504,6 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu, } } - spin_lock(&iommu->lock); spin_lock_irqsave(&device_domain_lock, flags); if (dev) found = find_domain(dev); @@ -2520,16 +2519,17 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu, if (found) { spin_unlock_irqrestore(&device_domain_lock, flags); - spin_unlock(&iommu->lock); free_devinfo_mem(info); /* Caller must free the original domain */ return found; } + spin_lock(&iommu->lock); ret = domain_attach_iommu(domain, iommu); + spin_unlock(&iommu->lock); + if (ret) { spin_unlock_irqrestore(&device_domain_lock, flags); - spin_unlock(&iommu->lock); free_devinfo_mem(info); return NULL; } @@ -2539,7 +2539,6 @@ static struct dmar_domain *dmar_insert_one_dev_info(struct intel_iommu *iommu, if (dev) dev->archdata.iommu = info; spin_unlock_irqrestore(&device_domain_lock, flags); - spin_unlock(&iommu->lock); /* PASID table is mandatory for a PCI device in scalable mode. */ if (dev && dev_is_pci(dev) && sm_supported(iommu)) { |