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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-24 08:48:49 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-24 08:48:49 +0100
commit24e6aea4801bae1dce3b16da6bc64fc06742ac14 (patch)
treed6920494281e700c9443e0af14dfab99348e8d6c /net/core/rtnetlink.c
parent6bc3f3979edce0b11deb685a4c817abb7d74b227 (diff)
parentf8788d86ab28f61f7b46eb6be375f8a726783636 (diff)
Merge 5.6-rc3 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/core/rtnetlink.c')
-rw-r--r--net/core/rtnetlink.c26
1 files changed, 12 insertions, 14 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 09c44bf2e1d2..e1152f4ffe33 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3504,27 +3504,25 @@ static int rtnl_alt_ifname(int cmd, struct net_device *dev, struct nlattr *attr,
if (err)
return err;
- alt_ifname = nla_data(attr);
+ alt_ifname = nla_strdup(attr, GFP_KERNEL);
+ if (!alt_ifname)
+ return -ENOMEM;
+
if (cmd == RTM_NEWLINKPROP) {
- alt_ifname = kstrdup(alt_ifname, GFP_KERNEL);
- if (!alt_ifname)
- return -ENOMEM;
err = netdev_name_node_alt_create(dev, alt_ifname);
- if (err) {
- kfree(alt_ifname);
- return err;
- }
+ if (!err)
+ alt_ifname = NULL;
} else if (cmd == RTM_DELLINKPROP) {
err = netdev_name_node_alt_destroy(dev, alt_ifname);
- if (err)
- return err;
} else {
- WARN_ON(1);
- return 0;
+ WARN_ON_ONCE(1);
+ err = -EINVAL;
}
- *changed = true;
- return 0;
+ kfree(alt_ifname);
+ if (!err)
+ *changed = true;
+ return err;
}
static int rtnl_linkprop(int cmd, struct sk_buff *skb, struct nlmsghdr *nlh,