| commit | 08713023bce3877455e37c61b4ff8df8aa2bcd1d | [log] [tgz] |
|---|---|---|
| author | Aaron Ma <aaron.ma@canonical.com> | Wed Mar 13 21:53:24 2019 +0800 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Thu Dec 05 15:35:15 2019 +0100 |
| tree | 6398b25f902d7d9cee89cf0dd080ab64bd37f0d6 | |
| parent | 6b2540ebc763fd76e7564e798e9ec2be97f769ae [diff] |
iommu/amd: Fix NULL dereference bug in match_hid_uid
[ Upstream commit bb6bccba390c7d743c1e4427de4ef284c8cc6869 ]
Add a non-NULL check to fix potential NULL pointer dereference
Cleanup code to call function once.
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Fixes: 2bf9a0a12749b ('iommu/amd: Add iommu support for ACPI HID devices')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>