pkt_sched: Annotate uninitialized var in sfq_enqueue()

Some gcc versions warn that ret may be used uninitialized in
sfq_enqueue(). It's a false positive, so let's annotate this.

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index ab8cfee..f3965df 100644 (file)
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -281,7 +281,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
        struct sfq_sched_data *q = qdisc_priv(sch);
        unsigned int hash;
        sfq_index x;
-       int ret;
+       int uninitialized_var(ret);
 
        hash = sfq_classify(skb, sch, &ret);
        if (hash == 0) {