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can: gw: Properly fill the netlink header when responding to RTM_GETROUTE 

- set message type to RTM_NEWROUTE
 - relate to original request by inheriting the sequence and port number.
 - set NLM_F_MULTI because it's a dump and more messages will follow

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Tested-by: Oliver Hartkopp <socketcan@hartkopp.net>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Thomas Graf 2012-07-05 14:19:57 +02:00 committed by Marc Kleine-Budde
parent 732d35fd08
commit 1da0faa380
1 changed files with 7 additions and 3 deletions
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10
net/can/gw.c
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@ -444,11 +444,14 @@ static int cgw_notifier(struct notifier_block *nb,
return NOTIFY_DONE;
}
static int cgw_put_job(struct sk_buff *skb, struct cgw_job *gwj)
static int cgw_put_job(struct sk_buff *skb, struct cgw_job *gwj, int type,
u32 pid, u32 seq, int flags)
{
struct cgw_frame_mod mb;
struct rtcanmsg *rtcan;
struct nlmsghdr *nlh = nlmsg_put(skb, 0, 0, 0, sizeof(*rtcan), 0);
struct nlmsghdr *nlh;
nlh = nlmsg_put(skb, pid, seq, type, sizeof(*rtcan), flags);
if (!nlh)
return -EMSGSIZE;
@ -546,7 +549,8 @@ static int cgw_dump_jobs(struct sk_buff *skb, struct netlink_callback *cb)
if (idx < s_idx)
goto cont;
if (cgw_put_job(skb, gwj) < 0)
if (cgw_put_job(skb, gwj, RTM_NEWROUTE, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, NLM_F_MULTI) < 0)
break;
cont:
idx++;