Messages in this thread | | | Subject | Re: [PATCH 1/1] ieee802154: fix error return code in ieee802154_add_iface() | From | Stefan Schmidt <> | Date | Thu, 3 Jun 2021 10:53:55 +0200 |
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Hello.
On 08.05.21 08:25, Zhen Lei wrote: > 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@huawei.com> > Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> > --- > 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); >
Good find. We could indeed hit a case where the IEEE802154_ATTR_HW_ADDR attribute is present and rc would be assigned 0 before reaching this goto nla_put_failure
This patch has been applied to the wpan tree and will be part of the next pull request to net. Thanks!
regards Stefan Schmidt
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