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nefilter: nfnetlink: add nfnetlink_set_err and use it in ctnetlink

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This patch adds nfnetlink_set_err() to propagate the error to netlink
broadcast listener in case of memory allocation errors in the
message building.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Pablo Neira Ayuso
2009-03-23 13:21:06 +01:00
committed by Patrick McHardy
parent 176252746e
commit dd5b6ce6fd
4 changed files with 10 additions and 0 deletions
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net/netlink/af_netlink.c
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@@ -1106,6 +1106,7 @@ void netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
read_unlock(&nl_table_lock);
}
EXPORT_SYMBOL(netlink_set_err);
/* must be called with netlink table grabbed */
static void netlink_update_socket_mc(struct netlink_sock *nlk,