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(parent: 6b2540e) | patch
iommu/amd: Fix NULL dereference bug in match_hid_uid
authorAaron Ma <aaron.ma@canonical.com>
Wed, 13 Mar 2019 13:53:24 +0000 (21:53 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 5 Dec 2019 14:35:15 +0000 (15:35 +0100)
commit08713023bce3877455e37c61b4ff8df8aa2bcd1d
tree6398b25f902d7d9cee89cf0dd080ab64bd37f0d6tree | snapshot
parent6b2540ebc763fd76e7564e798e9ec2be97f769aecommit | 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>
drivers/iommu/amd_iommu.c diff | blob | history
Domain: System / Kernel;