Commits
Dan Carpenter committed 409e553deee
iommu: Checking for NULL instead of IS_ERR The iommu_group_alloc() and iommu_group_get_for_dev() functions return error pointers, they never return NULL. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>