[PATCH 5.19 21/38] ieee802154: cc2520: add rc code in cc2520_tx()

Greg Kroah-Hartman
2022-09-16T10:27:01Z

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 1e1f40f628a02..c69b87d3837da 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;
}
--
2.35.1