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authorLinus Torvalds <torvalds@linux-foundation.org>2012-11-20 18:49:32 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2012-11-20 18:49:32 -1000
commitc60b689631d73be046ecbe9fc3248252ba18b41f (patch)
tree3c992199e7320151394616e9da9ea3dfcb8bc0df /drivers
parentca6215dfc7d09809b97f2d6af0535d7836cbb966 (diff)
parent3da4af0affbb797e8ac4c2b4598da0c34b8cc52a (diff)
downloadvexpress-lsk-c60b689631d73be046ecbe9fc3248252ba18b41f.tar.gz
Merge tag 'iommu-fixes-v3.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel: "Some fixes and a MAINTAINERS update to remove my lost AMD email address from the file. The fixes take care of a resource leak and a problem on VT-d with the new IOMMU group code." * tag 'iommu-fixes-v3.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: intel-iommu: Fix lookup in add device iommu/tegra-smmu.c: fix dentry reference leak in smmu_debugfs_stats_show(). iommu/amd: Update MAINTAINERS entry
Diffstat (limited to 'drivers')
-rw-r--r--drivers/iommu/intel-iommu.c4
-rw-r--r--drivers/iommu/tegra-smmu.c1
2 files changed, 3 insertions, 2 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index d4a4cd445ca..0badfa48b32 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4108,7 +4108,7 @@ static void swap_pci_ref(struct pci_dev **from, struct pci_dev *to)
static int intel_iommu_add_device(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
- struct pci_dev *bridge, *dma_pdev;
+ struct pci_dev *bridge, *dma_pdev = NULL;
struct iommu_group *group;
int ret;
@@ -4122,7 +4122,7 @@ static int intel_iommu_add_device(struct device *dev)
dma_pdev = pci_get_domain_bus_and_slot(
pci_domain_nr(pdev->bus),
bridge->subordinate->number, 0);
- else
+ if (!dma_pdev)
dma_pdev = pci_dev_get(bridge);
} else
dma_pdev = pci_dev_get(pdev);
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index a649f146d17..c0f7a426626 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -1054,6 +1054,7 @@ static int smmu_debugfs_stats_show(struct seq_file *s, void *v)
stats[i], val, offs);
}
seq_printf(s, "\n");
+ dput(dent);
return 0;
}