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

net/wan/fsl_ucc_hdlc: fix unitialized variable warnings

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-wan-fsl_ucc_hdlc-fix-unitialized-variable-warnings.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 Mon Apr 9 17:09:24 CEST 2018

From: Holger Brunck holger.brunck@keymile.com Date: Wed, 17 May 2017 17:24:33 +0200 Subject: net/wan/fsl_ucc_hdlc: fix unitialized variable warnings

From: Holger Brunck holger.brunck@keymile.com

[ Upstream commit 66bb144bd9096dd5268ef736ba769b8b6f4ef100 ]

This fixes the following compiler warnings: drivers/net/wan/fsl_ucc_hdlc.c: In function 'ucc_hdlc_poll': warning: 'skb' may be used uninitialized in this function [-Wmaybe-uninitialized] skb->mac_header = skb->data - skb->head;

and

drivers/net/wan/fsl_ucc_hdlc.c: In function 'ucc_hdlc_probe': drivers/net/wan/fsl_ucc_hdlc.c:1127:3: warning: 'utdm' may be used uninitialized in this function [-Wmaybe-uninitialized] kfree(utdm);

Signed-off-by: Holger Brunck holger.brunck@keymile.com Cc: Zhao Qiang qiang.zhao@nxp.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/wan/fsl_ucc_hdlc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/wan/fsl_ucc_hdlc.c +++ b/drivers/net/wan/fsl_ucc_hdlc.c @@ -454,7 +454,7 @@ static int hdlc_tx_done(struct ucc_hdlc_ static int hdlc_rx_done(struct ucc_hdlc_private *priv, int rx_work_limit) { struct net_device *dev = priv->ndev; - struct sk_buff *skb; + struct sk_buff *skb = NULL; hdlc_device *hdlc = dev_to_hdlc(dev); struct qe_bd *bd; u32 bd_status; @@ -1002,7 +1002,7 @@ static int ucc_hdlc_probe(struct platfor struct device_node *np = pdev->dev.of_node; struct ucc_hdlc_private *uhdlc_priv = NULL; struct ucc_tdm_info *ut_info; - struct ucc_tdm *utdm; + struct ucc_tdm *utdm = NULL; struct resource res; struct net_device *dev; hdlc_device *hdlc;

Patches currently in stable-queue which might be from holger.brunck@keymile.com are

queue-4.9/net-wan-fsl_ucc_hdlc-fix-incorrect-memory-allocation.patch queue-4.9/net-wan-fsl_ucc_hdlc-fix-unitialized-variable-warnings.patch queue-4.9/net-wan-fsl_ucc_hdlc-fix-muram-allocation-error.patch queue-4.9/fsl-qe-add-bit-description-for-synl-register-for-gumr.patch