Patch "ieee802154: cc2520: add rc code in cc2520_tx()" has been added to the 5.10-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

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 5.10-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-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 6e235f24c1918c1865cc0b9e97f62d3fb55f54c9
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 89c046b204e0c..4517517215f2b 100644
--- a/drivers/net/ieee802154/cc2520.c
+++ b/drivers/net/ieee802154/cc2520.c
@@ -504,6 +504,7 @@ 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;
 	}