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Subject[PATCH net-next 2/8] net: dsa: directly fetch switch in lan9303_rcv
Date
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.didelot@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
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