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authorLinus Torvalds <torvalds@g5.osdl.org>2006-07-05 21:08:43 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-05 21:08:43 -0700
commit075d6adf909ac8706bd0be7832e6dadb0aef314b (patch)
treef9036aeb464a2492ce69b2fbb24d36f26c1310d3
parente2a305ecb5734f24d3a4496605a6fdf27ddf7108 (diff)
parent4fe683f50d3fc8e36d4749277631dfc711393aa0 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [PKT_SCHED]: Fix error handling while dumping actions [PKT_SCHED]: Return ENOENT if action module is unavailable [PKT_SCHED]: Fix illegal memory dereferences when dumping actions
-rw-r--r--net/sched/act_api.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 5b9397b3323..599423cc9d0 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;
rtattr_failure:
+ err = -EINVAL;
+errout:
skb_trim(skb, b - skb->data);
- return -err;
+ return err;
}
struct tc_action *tcf_action_init_1(struct rtattr *rta, struct rtattr *est,
@@ -305,6 +307,7 @@ struct tc_action *tcf_action_init_1(struct rtattr *rta, struct rtattr *est,
goto err_mod;
}
#endif
+ *err = -ENOENT;
goto err_out;
}
@@ -776,7 +779,7 @@ replay:
return ret;
}
-static char *
+static struct rtattr *
find_dump_kind(struct nlmsghdr *n)
{
struct rtattr *tb1, *tb2[TCA_ACT_MAX+1];
@@ -804,7 +807,7 @@ find_dump_kind(struct nlmsghdr *n)
return NULL;
kind = tb2[TCA_ACT_KIND-1];
- return (char *) RTA_DATA(kind);
+ return kind;
}
static int
@@ -817,16 +820,15 @@ tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
struct tc_action a;
int ret = 0;
struct tcamsg *t = (struct tcamsg *) NLMSG_DATA(cb->nlh);
- char *kind = find_dump_kind(cb->nlh);
+ struct rtattr *kind = find_dump_kind(cb->nlh);
if (kind == NULL) {
printk("tc_dump_action: action bad kind\n");
return 0;
}
- a_o = tc_lookup_action_n(kind);
+ a_o = tc_lookup_action(kind);
if (a_o == NULL) {
- printk("failed to find %s\n", kind);
return 0;
}
@@ -834,7 +836,7 @@ tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
a.ops = a_o;
if (a_o->walk == NULL) {
- printk("tc_dump_action: %s !capable of dumping table\n", kind);
+ printk("tc_dump_action: %s !capable of dumping table\n", a_o->kind);
goto rtattr_failure;
}