Commit 7eaf8313 authored Aug 22, 2016 by Mustafa Ismail Committed by Doug Ledford Aug 24, 2016

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: 4e9042e6 ("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>

parent 5dfd5e5e

drivers/infiniband/hw/i40iw/i40iw_utils.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -673,8 +673,11 @@ enum i40iw_status_code i40iw_free_virt_mem(struct i40iw_hw *hw,
		{
		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;
		}