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 @@
 		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;