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net: Use NLMSG_DEFAULT_SIZE in combination with nlmsg_new()

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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 <[email protected]>
Cc: Jiri Pirko <[email protected]>
Cc: Dmitry Eremin-Solenikov <[email protected]>
Cc: Sergey Lapin <[email protected]>
Cc: Johannes Berg <[email protected]>
Cc: Lauro Ramos Venancio <[email protected]>
Cc: Aloisio Almeida Jr <[email protected]>
Cc: Samuel Ortiz <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Thomas Graf 2012-06-28 03:57:45 +00:00 • committed by David S. Miller
commit 58050fce35
9 changed files with 36 additions and 34 deletions
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6
net/l2tp/l2tp_netlink.c
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@ -72,7 +72,7 @@ static int l2tp_nl_cmd_noop(struct sk_buff *skb, struct genl_info *info)
void *hdr;
int ret = -ENOBUFS;
msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg) {
ret = -ENOMEM;
goto out;
@ -353,7 +353,7 @@ static int l2tp_nl_cmd_tunnel_get(struct sk_buff *skb, struct genl_info *info)
goto out;
}
msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg) {
ret = -ENOMEM;
goto out;
@ -699,7 +699,7 @@ static int l2tp_nl_cmd_session_get(struct sk_buff *skb, struct genl_info *info)
goto out;
}
msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg) {
ret = -ENOMEM;
goto out;