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

net: thunderx: avoid dereferencing xcv when NULL

to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: net-thunderx-avoid-dereferencing-xcv-when-null.patch and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Wed Dec 6 17:39:55 CET 2017

From: Vincent vincent.stehle@laposte.net Date: Mon, 30 Jan 2017 15:06:43 +0100 Subject: net: thunderx: avoid dereferencing xcv when NULL

From: Vincent vincent.stehle@laposte.net

[ Upstream commit c73e44269369e936165f0f9b61f1f09a11dae01c ]

This fixes the following smatch and coccinelle warnings:

drivers/net/ethernet/cavium/thunder/thunder_xcv.c:119 xcv_setup_link() error: we previously assumed 'xcv' could be null (see line 118) [smatch] drivers/net/ethernet/cavium/thunder/thunder_xcv.c:119:16-20: ERROR: xcv is NULL but dereferenced. [coccinelle]

Fixes: 6465859aba1e66a5 ("net: thunderx: Add RGMII interface type support") Signed-off-by: Vincent Stehlé vincent.stehle@laposte.net Cc: Sunil Goutham sgoutham@cavium.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/cavium/thunder/thunder_xcv.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/net/ethernet/cavium/thunder/thunder_xcv.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_xcv.c @@ -116,8 +116,7 @@ void xcv_setup_link(bool link_up, int li int speed = 2;

if (!xcv) { - dev_err(&xcv->pdev->dev, - "XCV init not done, probe may have failed\n"); + pr_err("XCV init not done, probe may have failed\n"); return; }

Patches currently in stable-queue which might be from vincent.stehle@laposte.net are

queue-4.9/net-thunderx-avoid-dereferencing-xcv-when-null.patch