diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2016-06-04 21:16:59 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-04 14:29:53 -0700 |
| commit | 4a7704ffa86705b0580b6473c407b7b7618e072d (patch) | |
| tree | ea9483934d983ffb5f00c22f9b1aa6b881b6b71c | |
| parent | 189b0d93ec61e1f991e96d7bc03b03cf929d164c (diff) | |
| download | linux-4a7704ffa86705b0580b6473c407b7b7618e072d.tar.gz linux-4a7704ffa86705b0580b6473c407b7b7618e072d.tar.bz2 linux-4a7704ffa86705b0580b6473c407b7b7618e072d.zip | |
net: dsa: Remove dynamic allocate of routing table
With a maximum of four switches, the size of the routing table is the
same as the pointer to it. Removing it makes the code simpler.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx.c | 3 | ||||
| -rw-r--r-- | include/net/dsa.h | 9 | ||||
| -rw-r--r-- | net/dsa/dsa.c | 12 |
3 files changed, 5 insertions, 19 deletions
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index 85332d9a245a..d622c0fb76cc 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -3024,8 +3024,7 @@ static int mv88e6xxx_setup_global(struct mv88e6xxx_priv_state *ps) for (i = 0; i < 32; i++) { int nexthop = 0x1f; - if (ps->ds->cd->rtable && - i != ps->ds->index && i < ps->ds->dst->pd->nr_chips) + if (i != ps->ds->index && i < ps->ds->dst->pd->nr_chips) nexthop = ps->ds->cd->rtable[i] & 0x1f; err = _mv88e6xxx_reg_write( diff --git a/include/net/dsa.h b/include/net/dsa.h index 8314197d028f..4e3afa9648ca 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -58,12 +58,11 @@ struct dsa_chip_data { struct device_node *port_dn[DSA_MAX_PORTS]; /* - * An array (with nr_chips elements) of which element [a] - * indicates which port on this switch should be used to - * send packets to that are destined for switch a. Can be - * NULL if there is only one switch chip. + * An array of which element [a] indicates which port on this + * switch should be used to send packets to that are destined + * for switch a. Can be NULL if there is only one switch chip. */ - s8 *rtable; + s8 rtable[DSA_MAX_SWITCHES]; }; struct dsa_platform_data { diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 5907f8cd13b6..6177dd750847 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -587,17 +587,6 @@ static int dsa_of_setup_routing_table(struct dsa_platform_data *pd, if (link_sw_addr >= pd->nr_chips) return -EINVAL; - /* First time routing table allocation */ - if (!cd->rtable) { - cd->rtable = kmalloc_array(pd->nr_chips, sizeof(s8), - GFP_KERNEL); - if (!cd->rtable) - return -ENOMEM; - - /* default to no valid uplink/downlink */ - memset(cd->rtable, -1, pd->nr_chips * sizeof(s8)); - } - cd->rtable[link_sw_addr] = port_index; return 0; @@ -639,7 +628,6 @@ static void dsa_of_free_platform_data(struct dsa_platform_data *pd) kfree(pd->chip[i].port_names[port_index]); port_index++; } - kfree(pd->chip[i].rtable); /* Drop our reference to the MDIO bus device */ if (pd->chip[i].host_dev) |