[PATCH net-next] ieee802154: fix error return code in ieee802154_llsec_getparams()

[Wei Yongjun <weiyongjun1@xxxxxxxxxx>]

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

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
 net/ieee802154/nl-mac.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c
index 0c1b0770c59e..c23c152860b7 100644
--- a/net/ieee802154/nl-mac.c
+++ b/net/ieee802154/nl-mac.c
@@ -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);