diff options
authorThomas Graf <tgraf@suug.ch>2006-07-05 20:47:28 -0700
committerDavid S. Miller <davem@davemloft.net>2006-07-05 20:47:28 -0700
commit4fe683f50d3fc8e36d4749277631dfc711393aa0 (patch)
parentd152b4e1e9a18f332ecd9e66492d706edc083345 (diff)
[PKT_SCHED]: Fix error handling while dumping actions
"return -err" and blindly inheriting the error code in the netlink failure exception handler causes errors codes to be returned as positive value therefore making them being ignored by the caller. May lead to sending out incomplete netlink messages. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
1 files changed, 4 insertions, 2 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 9b2e3975be0b..599423cc9d0d 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -250,15 +250,17 @@ tcf_action_dump(struct sk_buff *skb, struct tc_action *act, int bind, int ref)
RTA_PUT(skb, a->order, 0, NULL);
err = tcf_action_dump_1(skb, a, bind, ref);
if (err < 0)
- goto rtattr_failure;
+ goto errout;
r->rta_len = skb->tail - (u8*)r;
return 0;
+ err = -EINVAL;
skb_trim(skb, b - skb->data);
- return -err;
+ return err;
struct tc_action *tcf_action_init_1(struct rtattr *rta, struct rtattr *est,

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