Patch "i40iw: Do not set self-referencing pointer to NULL after kfree" has been added to the 4.7-stable tree

This is a note to let you know that I've just added the patch titled

i40iw: Do not set self-referencing pointer to NULL after kfree

to the 4.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
i40iw-do-not-set-self-referencing-pointer-to-null-after-kfree.patch
and it can be found in the queue-4.7 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Mustafa Ismail <[email protected]>
Date: Mon, 22 Aug 2016 19:01:47 -0500
Subject: i40iw: Do not set self-referencing pointer to NULL after kfree

From: Mustafa Ismail <[email protected]>

commit 7eaf8313b1cfe93417a22bdc3f7380cac2a3dc6d upstream.

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.

---
 drivers/infiniband/hw/i40iw/i40iw_utils.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

@@ -673,8 +673,11 @@ enum i40iw_status_code i40iw_free_virt_m
 {
 	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;
 }
 

Patches currently in stable-queue which might be from [email protected] are

queue-4.7/i40iw-update-hw_iwarp_state.patch queue-4.7/i40iw-add-missing-check-for-interface-already-open.patch queue-4.7/i40iw-fix-double-free-of-allocated_buffer.patch queue-4.7/i40iw-receive-notification-events-correctly.patch queue-4.7/i40iw-change-mem_resources-pointer-to-a-u8.patch queue-4.7/i40iw-protect-req_resource_num-update.patch queue-4.7/i40iw-add-missing-null-check-for-mpa-private-data.patch queue-4.7/i40iw-avoid-writing-to-freed-memory.patch queue-4.7/i40iw-do-not-set-self-referencing-pointer-to-null-after-kfree.patch