diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-msm/iommu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/iommu.c b/arch/arm/mach-msm/iommu.c index 74f2157..67e8f53 100644 --- a/arch/arm/mach-msm/iommu.c +++ b/arch/arm/mach-msm/iommu.c @@ -241,6 +241,11 @@ static int msm_iommu_attach_dev(struct iommu_domain *domain, struct device *dev) goto fail; } + if (!list_empty(&ctx_drvdata->attached_elm)) { + ret = -EBUSY; + goto fail; + } + list_for_each_entry(tmp_drvdata, &priv->list_attached, attached_elm) if (tmp_drvdata == ctx_drvdata) { ret = -EBUSY; |