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authorThomas Graf <tgraf@suug.ch>2008-06-03 16:36:54 -0700
committerDavid S. Miller <davem@davemloft.net>2008-06-03 16:36:54 -0700
commitbc3ed28caaef55e7e3a9316464256353c5f9b1df (patch)
tree3aed4521aa2d74a36ee2b192c2e229fd23fbe732 /net/netlink/genetlink.c
parent1f9d11c7c99da706e33646c3a9080dd5a8ef9a0b (diff)
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netlink: Improve returned error codes
Make nlmsg_trim(), nlmsg_cancel(), genlmsg_cancel(), and nla_nest_cancel() void functions. Return -EMSGSIZE instead of -1 if the provided message buffer is not big enough. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netlink/genetlink.c')
-rw-r--r--net/netlink/genetlink.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index d16929c..f5aa23c 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -554,7 +554,8 @@ static int ctrl_fill_info(struct genl_family *family, u32 pid, u32 seq,
return genlmsg_end(skb, hdr);
nla_put_failure:
- return genlmsg_cancel(skb, hdr);
+ genlmsg_cancel(skb, hdr);
+ return -EMSGSIZE;
}
static int ctrl_fill_mcgrp_info(struct genl_multicast_group *grp, u32 pid,
@@ -590,7 +591,8 @@ static int ctrl_fill_mcgrp_info(struct genl_multicast_group *grp, u32 pid,
return genlmsg_end(skb, hdr);
nla_put_failure:
- return genlmsg_cancel(skb, hdr);
+ genlmsg_cancel(skb, hdr);
+ return -EMSGSIZE;
}
static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb)