提交 4d7750db 编写于 作者: W Wei Yongjun 提交者: Zheng Zengkai

ieee802154: fix error return code in ieee802154_llsec_getparams()

stable inclusion
from stable-5.10.43
commit e513d889625b5d8c6c2942243cd7f967455d300a
bugzilla: 109284
CVE: NA

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

[ Upstream commit 373e864c ]

Fix to return negative error code -ENOBUFS from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 3e9c156e ("ieee802154: add netlink interfaces for llsec")
Reported-by: NHulk Robot <hulkci@huawei.com>
Signed-off-by: NWei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20210519141614.3040055-1-weiyongjun1@huawei.comSigned-off-by: NStefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
上级 1653a912
......@@ -680,8 +680,10 @@ int ieee802154_llsec_getparams(struct sk_buff *skb, struct genl_info *info)
nla_put_u8(msg, IEEE802154_ATTR_LLSEC_SECLEVEL, params.out_level) ||
nla_put_u32(msg, IEEE802154_ATTR_LLSEC_FRAME_COUNTER,
be32_to_cpu(params.frame_counter)) ||
ieee802154_llsec_fill_key_id(msg, &params.out_key))
ieee802154_llsec_fill_key_id(msg, &params.out_key)) {
rc = -ENOBUFS;
goto out_free;
}
dev_put(dev);
......
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