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(parent: f8788d8) | patch
iommu/vt-d: Fix mm reference leak
authorJacob Pan <jacob.jun.pan@linux.intel.com>
Fri, 20 Mar 2020 04:32:30 +0000 (21:32 -0700)
committerJoerg Roedel <jroedel@suse.de>
Fri, 27 Mar 2020 10:03:04 +0000 (11:03 +0100)
commit902baf61adf6b187f0a6b789e70d788ea71ff5bc
tree91a72f88bcc5e8498465c609098468ab3880e457tree | snapshot
parentf8788d86ab28f61f7b46eb6be375f8a726783636commit | diff
iommu/vt-d: Fix mm reference leak

Move canonical address check before mmget_not_zero() to avoid mm
reference leak.

Fixes: 9d8c3af31607 ("iommu/vt-d: IOMMU Page Request needs to check if address is canonical.")
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/intel-svm.c diff | blob | history
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