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[4.9,11/29] ieee802154: fix error return code in ieee802154_add_iface()

Message ID 20210608175928.184179568@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg KH June 8, 2021, 6:27 p.m. UTC 
From: Zhen Lei <thunder.leizhen@huawei.com>


[ 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@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>

Link: https://lore.kernel.org/r/20210508062517.2574-1-thunder.leizhen@huawei.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>

Signed-off-by: Sasha Levin <sashal@kernel.org>

---
 net/ieee802154/nl-phy.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

-- 
2.30.2
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Patch

diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c
index 77d73014bde3..11f53dc0c1c0 100644
--- a/net/ieee802154/nl-phy.c
+++ b/net/ieee802154/nl-phy.c
@@ -249,8 +249,10 @@  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);