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Merge tag 'batadv-net-for-davem-20190821' of git://git.open-mesh.org/linux-merge

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Simon Wunderlich says:

====================
Here is a batman-adv bugfix:

 - fix uninit-value in batadv_netlink_get_ifindex(), by Eric Dumazet
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2019-08-21 13:49:20 -07:00
parent aad12c2394 3ee1bb7aae
commit 6e2866a9df
1 changed files with 1 additions and 1 deletions
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2
net/batman-adv/netlink.c
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@@ -164,7 +164,7 @@ batadv_netlink_get_ifindex(const struct nlmsghdr *nlh, int attrtype)
{
struct nlattr *attr = nlmsg_find_attr(nlh, GENL_HDRLEN, attrtype);
return attr ? nla_get_u32(attr) : 0;
return (attr && nla_len(attr) == sizeof(u32)) ? nla_get_u32(attr) : 0;
}
/**