diff options
Diffstat (limited to 'net/dsa/dsa2.c')
| -rw-r--r-- | net/dsa/dsa2.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index 83cba4623698..1e3ac9b56c89 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -846,6 +846,12 @@ static int dsa_switch_probe(struct dsa_switch *ds) struct device_node *np = ds->dev->of_node; int err; + if (!ds->dev) + return -ENODEV; + + if (!ds->num_ports) + return -EINVAL; + if (np) err = dsa_switch_parse_of(ds, np); else if (pdata) @@ -859,21 +865,6 @@ static int dsa_switch_probe(struct dsa_switch *ds) return dsa_switch_add(ds); } -struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n) -{ - struct dsa_switch *ds; - - ds = devm_kzalloc(dev, sizeof(*ds), GFP_KERNEL); - if (!ds) - return NULL; - - ds->dev = dev; - ds->num_ports = n; - - return ds; -} -EXPORT_SYMBOL_GPL(dsa_switch_alloc); - int dsa_register_switch(struct dsa_switch *ds) { int err; |