From: Li Qiong liqiong@nfschina.com
[ 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@nfschina.com Link: https://lore.kernel.org/r/20220829071259.18330-1-liqiong@nfschina.com Signed-off-by: Stefan Schmidt stefan@datenfreihafen.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ieee802154/cc2520.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ieee802154/cc2520.c b/drivers/net/ieee802154/cc2520.c index 0c89d3edf901c..fa3a4db517d69 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; }