[PATCH] Intel IOMMU: fix sysfs leak in hotplug init path
From: Rolf Eike Beer
Date: Wed Apr 21 2021 - 11:12:46 EST
Signed-off-by: Rolf Eike Beer <eb@xxxxxxxxx>
---
drivers/iommu/intel/dmar.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
I have not actually tested this but I guess it should match the code in
free_iommu() just below.
diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c
index d5c51b5c20af..fb37a9b79b3a 100644
--- a/drivers/iommu/intel/dmar.c
+++ b/drivers/iommu/intel/dmar.c
@@ -1144,7 +1144,7 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd)
err = iommu_device_register(&iommu->iommu);
if (err)
- goto err_unmap;
+ goto err_unregister;
}
drhd->iommu = iommu;
@@ -1152,6 +1152,8 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd)
return 0;
+err_unregister:
+ iommu_device_sysfs_remove(&iommu->iommu);
err_unmap:
unmap_iommu(iommu);
error_free_seq_id:
--
2.31.1
--
Rolf Eike Beer, emlix GmbH, http://www.emlix.com
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