Commit 05ac7c48 authored Feb 13, 2023 by Li Qiong Committed by Jialin Zhang Feb 13, 2023

ieee802154: cc2520: add rc code in cc2520_tx()

stable inclusion
from stable-v5.10.144
commit de2aa495230bee743ebdabfe02a376ce24713886
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I6D0V7

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=de2aa495230bee743ebdabfe02a376ce24713886



--------------------------------

[ Upstream commit ffd7bddd ]

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>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>
Reviewed-by: Zheng Zengkai <zhengzengkai@huawei.com>

parent 8296d026

drivers/net/ieee802154/cc2520.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}