This is a note to let you know that I've just added the patch titled ieee802154: cc2520: add rc code in cc2520_tx() to the 4.14-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: ieee802154-cc2520-add-rc-code-in-cc2520_tx.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit c9a9ec5b87ac3410abe27018b79e3e54f17b5aaa Author: Li Qiong <liqiong@xxxxxxxxxxxx> Date: Mon Aug 29 15:12:59 2022 +0800 ieee802154: cc2520: add rc code in cc2520_tx() [ Upstream commit ffd7bdddaab193c38416fd5dd416d065517d266e ] The rc code is 0 at the error path "status & CC2520_STATUS_TX_UNDERFLOW". Assign rc code with '-EINVAL' at this error path to fix it. Signed-off-by: Li Qiong <liqiong@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/20220829071259.18330-1-liqiong@xxxxxxxxxxxx Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/ieee802154/cc2520.c b/drivers/net/ieee802154/cc2520.c index d50add705a79a..436cf2007138a 100644 --- a/drivers/net/ieee802154/cc2520.c +++ b/drivers/net/ieee802154/cc2520.c @@ -512,6 +512,7 @@ cc2520_tx(struct ieee802154_hw *hw, struct sk_buff *skb) goto err_tx; if (status & CC2520_STATUS_TX_UNDERFLOW) { + rc = -EINVAL; dev_err(&priv->spi->dev, "cc2520 tx underflow exception\n"); goto err_tx; }