net: dsa: Fix inverted test for multiple CPU interface

Remove the wrong !, otherwise we get false positives about having
multiple CPU interfaces.

Fixes: b22de490869d ("net: dsa: store CPU switch structure in the tree")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 77cb787..1f3afeb 100644 (file)
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -225,7 +225,7 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct device *parent)
                        continue;
 
                if (!strcmp(name, "cpu")) {
-                       if (!dst->cpu_switch) {
+                       if (dst->cpu_switch) {
                                netdev_err(dst->master_netdev,
                                           "multiple cpu ports?!\n");
                                return -EINVAL;