net_sched: fix an allocation bug in tcindex_set_parms()

Fixes: commit 331b72922c5f58d48fd ("net: sched: RCU cls_tcindex")
Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index a9f4279..a02ca72 100644 (file)
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -241,7 +241,7 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
         * allocate new tcindex data and RCU assign it onto root. Keeping
         * perfect hash and hash pointers from old data.
         */
-       cp = kzalloc(sizeof(cp), GFP_KERNEL);
+       cp = kzalloc(sizeof(*cp), GFP_KERNEL);
        if (!cp)
                return -ENOMEM;