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iommu/vt-d: Fix NULL pointer dereference in prq_event_thread()
authorLu Baolu <baolu.lu@linux.intel.com>
Mon, 5 Nov 2018 02:18:58 +0000 (10:18 +0800)
committerJoerg Roedel <jroedel@suse.de>
Tue, 6 Nov 2018 15:46:24 +0000 (16:46 +0100)
commit19ed3e2dd8549c1a34914e8dad01b64e7837645a
treebbf7d843575cb67beb9b74818b6fd06638a189ebtree | snapshot
parent651022382c7f8da46cb4872a545ee1da6d097d2acommit | diff
iommu/vt-d: Fix NULL pointer dereference in prq_event_thread()

When handling page request without pasid event, go to "no_pasid"
branch instead of "bad_req". Otherwise, a NULL pointer deference
will happen there.

Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Sohil Mehta <sohil.mehta@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Fixes: a222a7f0bb6c9 'iommu/vt-d: Implement page request handling'
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/intel-svm.c diff | blob | history
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