From: Zhen Lei <thunder.leizhen@xxxxxxxxxx> [ Upstream commit 79c6b8ed30e54b401c873dbad2511f2a1c525fd5 ] Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: be51da0f3e34 ("ieee802154: Stop using NLA_PUT*().") Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx> Link: https://lore.kernel.org/r/20210508062517.2574-1-thunder.leizhen@xxxxxxxxxx Signed-off-by: Stefan Schmidt <stefan@xxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- net/ieee802154/nl-phy.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c index 2cdc7e63fe17..88215b5c93aa 100644 --- a/net/ieee802154/nl-phy.c +++ b/net/ieee802154/nl-phy.c @@ -241,8 +241,10 @@ int ieee802154_add_iface(struct sk_buff *skb, struct genl_info *info) } if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) || - nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name)) + nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name)) { + rc = -EMSGSIZE; goto nla_put_failure; + } dev_put(dev); wpan_phy_put(phy); -- 2.30.2