3.13.11-ckt31 -stable review patch. If anyone has any objections, please let
me know.
------------------
From: Roland Dreier <rol...@purestorage.com>
Backports of 41fc014332d9 ("fib_rules: fix fib rule dumps across
multiple skbs") introduced a regression in "ip rule show" - it ends up
dumping the first rule over and over and never exiting, because 3.19
and earlier are missing commit 053c095a82cf ("netlink: make
nlmsg_end() and genlmsg_end() void"), so fib_nl_fill_rule() ends up
returning skb->len (i.e. > 0) in the success case.
Fix this by checking the return code for < 0 instead of != 0.
Signed-off-by: Roland Dreier <rol...@purestorage.com>
Signed-off-by: Kamal Mostafa <ka...@canonical.com>
---
net/core/fib_rules.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index aeedc3a..99ae718 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -631,7 +631,7 @@ static int dump_rules(struct sk_buff *skb, struct
netlink_callback *cb,
err = fib_nl_fill_rule(skb, rule, NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq, RTM_NEWRULE,
NLM_F_MULTI, ops);
- if (err)
+ if (err < 0)
break;
skip:
idx++;
--
1.9.1
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