I'm resending the patch I just sent. Sorry - it looks like my
mailer likes to damage the white space in the patch.
This version should be cleaner:
Signed-off-by: Don Law <[email protected]>
--- linux-2.6.17-rc1/net/core/neighbour.c.orig 2006-04-11 16:28:10.000000000 -0400
+++ linux-2.6.17-rc1/net/core/neighbour.c 2006-04-26 23:36:04.535992104 -0400
@@ -1430,48 +1430,55 @@ int neigh_delete(struct sk_buff *skb, st
struct rtattr **nda = arg;
struct neigh_table *tbl;
struct net_device *dev = NULL;
- int err = -ENODEV;
+ int err;
if (ndm->ndm_ifindex &&
- (dev = dev_get_by_index(ndm->ndm_ifindex)) == NULL)
- goto out;
+ (dev = dev_get_by_index(ndm->ndm_ifindex)) == NULL)
+ return -ENODEV;
read_lock(&neigh_tbl_lock);
- for (tbl = neigh_tables; tbl; tbl = tbl->next) {
+ for (tbl = neigh_tables; ; tbl = tbl->next) {
struct rtattr *dst_attr = nda[NDA_DST - 1];
struct neighbour *n;
+ if (!tbl) {
+ read_unlock(&neigh_tbl_lock);
+ err = -EADDRNOTAVAIL;
+ break;
+ }
if (tbl->family != ndm->ndm_family)
continue;
- read_unlock(&neigh_tbl_lock);
err = -EINVAL;
- if (!dst_attr || RTA_PAYLOAD(dst_attr) < tbl->key_len)
- goto out_dev_put;
+ if (!dst_attr || RTA_PAYLOAD(dst_attr) < tbl->key_len) {
+ read_unlock(&neigh_tbl_lock);
+ break;
+ }
if (ndm->ndm_flags & NTF_PROXY) {
- err = pneigh_delete(tbl, RTA_DATA(dst_attr), dev);
- goto out_dev_put;
+ if (!pneigh_delete(tbl, RTA_DATA(dst_attr), dev)) {
+ read_unlock(&neigh_tbl_lock);
+ break;
+ }
}
- if (!dev)
- goto out;
+ if (!dev) {
+ read_unlock(&neigh_tbl_lock);
+ break;
+ }
n = neigh_lookup(tbl, RTA_DATA(dst_attr), dev);
if (n) {
- err = neigh_update(n, NULL, NUD_FAILED,
+ read_unlock(&neigh_tbl_lock);
+ err = neigh_update(n, NULL, NUD_FAILED,
NEIGH_UPDATE_F_OVERRIDE|
NEIGH_UPDATE_F_ADMIN);
neigh_release(n);
+ break;
}
- goto out_dev_put;
}
- read_unlock(&neigh_tbl_lock);
- err = -EADDRNOTAVAIL;
-out_dev_put:
if (dev)
dev_put(dev);
-out:
return err;
}
-
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