Add missing extack initialisation when ACKing BATCH_BEGIN and BATCH_END.
Fixes: bf2ac490d28c ("netfilter: nfnetlink: Handle ACK flags for batch messages")
Signed-off-by: Donald Hunter <donald.hunter@xxxxxxxxx>
---
net/netfilter/nfnetlink.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 4abf660c7baf..932b3ddb34f1 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -427,8 +427,10 @@ static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh,
nfnl_unlock(subsys_id);
- if (nlh->nlmsg_flags & NLM_F_ACK)
+ if (nlh->nlmsg_flags & NLM_F_ACK) {
+ memset(&extack, 0, sizeof(extack));
nfnl_err_add(&err_list, nlh, 0, &extack);
+ }
while (skb->len >= nlmsg_total_size(0)) {
int msglen, type;
@@ -577,6 +579,7 @@ static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh,
ss->abort(net, oskb, NFNL_ABORT_NONE);
netlink_ack(oskb, nlmsg_hdr(oskb), err, NULL);
} else if (nlh->nlmsg_flags & NLM_F_ACK) {
+ memset(&extack, 0, sizeof(extack));
nfnl_err_add(&err_list, nlh, 0, &extack);
}
} else {
--
2.45.2
