[PATCH net-next 2/8] net: dsa: directly fetch switch in lan9303_rcv

[Vivien Didelot]

In a single-chip switch fabric, there is no need to fetch the dsa_switch
structure from the tree, directly use the CPU port's "ds" member.

Signed-off-by: Vivien Didelot <vivien.dide...@savoirfairelinux.com>
---
 net/dsa/tag_lan9303.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/dsa/tag_lan9303.c b/net/dsa/tag_lan9303.c
index 0b9826105e42..f0b51acf36ac 100644
--- a/net/dsa/tag_lan9303.c
+++ b/net/dsa/tag_lan9303.c
@@ -72,11 +72,10 @@ static struct sk_buff *lan9303_rcv(struct sk_buff *skb, 
struct net_device *dev,
 {
        u16 *lan9303_tag;
        struct dsa_switch_tree *dst = dev->dsa_ptr;
-       struct dsa_switch *ds;
+       struct dsa_port *cpu_dp = dst->cpu_dp;
+       struct dsa_switch *ds = cpu_dp->ds;
        unsigned int source_port;
 
-       ds = dst->ds[0];
-
        if (unlikely(!ds)) {
                dev_warn_ratelimited(&dev->dev, "Dropping packet, due to 
missing DSA switch device\n");
                return NULL;
-- 
2.14.1