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| author | Eric Auger <eric.auger@redhat.com> | 2019-04-30 09:30:04 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2019-05-03 17:34:27 +0200 |
| commit | dca4d60f5f8c9263f8f66724fa4750abd32d8db0 (patch) | |
| tree | c846f7437df8d84baa27998fda454fb457ec1150 | |
| parent | 5daab58043ee2bca861068e2595564828f3bc663 (diff) | |
| download | linux-dca4d60f5f8c9263f8f66724fa4750abd32d8db0.tar.bz2 | |
iommu/vt-d: Fix leak in intel_pasid_alloc_table on error path
If alloc_pages_node() fails, pasid_table is leaked. Free it.
Fixes: cc580e41260db ("iommu/vt-d: Per PCI device pasid table interfaces")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
| -rw-r--r-- | drivers/iommu/intel-pasid.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iommu/intel-pasid.c b/drivers/iommu/intel-pasid.c index 03b12d2ee213..2fefeafda437 100644 --- a/drivers/iommu/intel-pasid.c +++ b/drivers/iommu/intel-pasid.c @@ -154,8 +154,10 @@ int intel_pasid_alloc_table(struct device *dev) order = size ? get_order(size) : 0; pages = alloc_pages_node(info->iommu->node, GFP_KERNEL | __GFP_ZERO, order); - if (!pages) + if (!pages) { + kfree(pasid_table); return -ENOMEM; + } pasid_table->table = page_address(pages); pasid_table->order = order; |