i40iw: Do not set self-referencing pointer to NULL after kfree
In i40iw_free_virt_mem(), do not set mem->va to NULL
after freeing it as mem->va is a self-referencing pointer
to mem.
Fixes: 4e9042e647ff ("i40iw: add hw and utils files")
Reported-by: Stefan Assmann <sassmann@redhat.com>
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c
index 0e8db0a..6fd043b 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_utils.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c
@@ -673,8 +673,11 @@
{
if (!mem)
return I40IW_ERR_PARAM;
+ /*
+ * mem->va points to the parent of mem, so both mem and mem->va
+ * can not be touched once mem->va is freed
+ */
kfree(mem->va);
- mem->va = NULL;
return 0;
}