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| author |   Thomas Graf <tgraf@suug.ch> | 2012-06-28 03:57:45 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2012-06-28 17:56:43 -0700 |
| commit | 58050fce3530939372e6c2f4b4beb76fcb4caa65 (patch) | |
| tree | ee2b85eda9973fed36102dad66f583e43a4a6cab /include/net/genetlink.h | |
| parent | tcp: plug dst leak in tcp_v6_conn_request() (diff) | |
| download | linux-dev-58050fce3530939372e6c2f4b4beb76fcb4caa65.tar.xz linux-dev-58050fce3530939372e6c2f4b4beb76fcb4caa65.zip | |
net: Use NLMSG_DEFAULT_SIZE in combination with nlmsg_new()
Using NLMSG_GOODSIZE results in multiple pages being used as
nlmsg_new() will automatically add the size of the netlink
header to the payload thus exceeding the page limit.
NLMSG_DEFAULT_SIZE takes this into account.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Cc: Jiri Pirko <jpirko@redhat.com>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Sergey Lapin <slapin@ossfans.org>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Lauro Ramos Venancio <lauro.venancio@openbossa.org>
Cc: Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Reviewed-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/genetlink.h')
| -rw-r--r-- | include/net/genetlink.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/genetlink.h b/include/net/genetlink.h index ccb68880abf5..48905cd3884c 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -5,6 +5,8 @@ #include <net/netlink.h> #include <net/net_namespace.h> +#define GENLMSG_DEFAULT_SIZE (NLMSG_DEFAULT_SIZE - GENL_HDRLEN) + /** * struct genl_multicast_group - generic netlink multicast group * @name: name of the multicast group, names are per-family |