diff --git a/drivers/staging/android/ion/msm/compat_msm_ion.c b/drivers/staging/android/ion/msm/compat_msm_ion.c
index b879849b3d85..9004abf81dba 100644
--- a/drivers/staging/android/ion/msm/compat_msm_ion.c
+++ b/drivers/staging/android/ion/msm/compat_msm_ion.c
@@ -58,7 +58,7 @@ static int compat_get_ion_flush_data(
 	err |= put_user(i, &data->fd);
 	err |= get_user(u, &data32->vaddr);
 	/* upper bits won't get set, zero them */
-	data->vaddr = NULL;
+	err |= put_user(NULL, &data->vaddr);
 	err |= put_user(u, (compat_uptr_t *)&data->vaddr);
 	err |= get_user(l, &data32->offset);
 	err |= put_user(l, &data->offset);