From: DENG Qingfang Date: Sat, 16 Oct 2021 06:24:14 +0000 (+0800) Subject: net: dsa: mt7530: correct ds->num_ports X-Git-Tag: v5.10.76~41 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3e16d9d525a7a62c40655b2747be35b674fd4dc5;p=people%2Farne_f%2Fkernel.git net: dsa: mt7530: correct ds->num_ports commit 342afce10d6f61c443c95e244f812d4766f73f53 upstream. Setting ds->num_ports to DSA_MAX_PORTS made DSA core allocate unnecessary dsa_port's and call mt7530_port_disable for non-existent ports. Set it to MT7530_NUM_PORTS to fix that, and dsa_is_user_port check in port_enable/disable is no longer required. Cc: stable@vger.kernel.org Signed-off-by: DENG Qingfang Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 73de09093c350..1f642fdbf214c 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -981,9 +981,6 @@ mt7530_port_enable(struct dsa_switch *ds, int port, { struct mt7530_priv *priv = ds->priv; - if (!dsa_is_user_port(ds, port)) - return 0; - mutex_lock(&priv->reg_mutex); /* Allow the user port gets connected to the cpu port and also @@ -1006,9 +1003,6 @@ mt7530_port_disable(struct dsa_switch *ds, int port) { struct mt7530_priv *priv = ds->priv; - if (!dsa_is_user_port(ds, port)) - return; - mutex_lock(&priv->reg_mutex); /* Clear up all port matrix which could be restored in the next @@ -2593,7 +2587,7 @@ mt7530_probe(struct mdio_device *mdiodev) return -ENOMEM; priv->ds->dev = &mdiodev->dev; - priv->ds->num_ports = DSA_MAX_PORTS; + priv->ds->num_ports = MT7530_NUM_PORTS; /* Use medatek,mcm property to distinguish hardware type that would * casues a little bit differences on power-on sequence.