diff options
| author |   Thomas Graf <tgraf@suug.ch> | 2016-10-26 10:53:16 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-10-29 14:57:42 -0400 |
| commit | b15ca182ed136087f6a2cb9ffe880c923f36a56e (patch) | |
| tree | 9f5b9829fdeb6491eae3c19d92a1a3a80e19f31d /include/net/netlink.h | |
| parent | net: ip, diag: include net/inet_sock.h (diff) | |
| download | linux-dev-b15ca182ed136087f6a2cb9ffe880c923f36a56e.tar.xz linux-dev-b15ca182ed136087f6a2cb9ffe880c923f36a56e.zip | |
netlink: Add nla_memdup() to wrap kmemdup() use on nlattr
Wrap several common instances of:
kmemdup(nla_data(attr), nla_len(attr), GFP_KERNEL);
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/netlink.h')
| -rw-r--r-- | include/net/netlink.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/net/netlink.h b/include/net/netlink.h index 254a0fc01800..a34f53acb6d6 100644 --- a/include/net/netlink.h +++ b/include/net/netlink.h @@ -1191,6 +1191,16 @@ static inline struct in6_addr nla_get_in6_addr(const struct nlattr *nla) } /** + * nla_memdup - duplicate attribute memory (kmemdup) + * @src: netlink attribute to duplicate from + * @gfp: GFP mask + */ +static inline void *nla_memdup(const struct nlattr *src, gfp_t gfp) +{ + return kmemdup(nla_data(src), nla_len(src), gfp); +} + +/** * nla_nest_start - Start a new level of nested attributes * @skb: socket buffer to add attributes to * @attrtype: attribute type of container |