| commit | c49f66238e53f4b9f208ef6bf879b2688e28d6f7 | [log] [tgz] |
|---|---|---|
| author | Jacob Pan <jacob.jun.pan@linux.intel.com> | Thu Mar 19 21:32:30 2020 -0700 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Fri Apr 24 08:01:21 2020 +0200 |
| tree | 61ad47bb53e9d8643d5943efd6b83c7aa4efe357 | |
| parent | af8a66de65efe29be42f0726f477fff2e7bc1560 [diff] |
iommu/vt-d: Fix mm reference leak
[ Upstream commit 902baf61adf6b187f0a6b789e70d788ea71ff5bc ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>