Linux kernel bug fix: iommu/ipmmu-vmsa: Fix return value check in ipmmu_find_group_dma()
Subsystem: iommu (drivers/iommu/ipmmu-vmsa.c)
Bug type: null-deref, severity: unknown
Keywords: null pointer
Files changed: drivers/iommu/ipmmu-vmsa.c
Introduced by Magnus Damm on 2017-05-17 15:21:53 +0200; fixed by weiyongjun (A) on 2017-11-06 10:26:26 -0700 (lifetime: 172 days)