[PATCH v4 05/11] net: dsa: microchip: ksz8795: dynamic allocate memory for flush_dyn_mac_table
From: Michael Grzeschik <hidden>
Date: 2020-08-03 05:45:03
Subsystem:
microchip ksz series ethernet switch driver, networking drivers, networking [dsa], the rest · Maintainers:
Woojung Huh, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Andrew Lunn, Vladimir Oltean, Linus Torvalds
To get the driver working with other chips using different port counts the dyn_mac_table should be flushed depending on the amount of physical ports. Signed-off-by: Michael Grzeschik <redacted> --- v1 -> v4: - extracted this change from bigger previous patch drivers/net/dsa/microchip/ksz8795.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c
index 947ea1e45f5b2c6..ba722f730bf0f7b 100644
--- a/drivers/net/dsa/microchip/ksz8795.c
+++ b/drivers/net/dsa/microchip/ksz8795.c@@ -750,11 +750,11 @@ static void ksz8795_port_stp_state_set(struct dsa_switch *ds, int port, static void ksz8795_flush_dyn_mac_table(struct ksz_device *dev, int port) { - u8 learn[TOTAL_PORT_NUM]; + u8 *learn = kzalloc(dev->mib_port_cnt, GFP_KERNEL); int first, index, cnt; struct ksz_port *p; - if ((uint)port < TOTAL_PORT_NUM) { + if ((uint)port < dev->mib_port_cnt) { first = port; cnt = port + 1; } else {
@@ -779,6 +779,7 @@ static void ksz8795_flush_dyn_mac_table(struct ksz_device *dev, int port) if (!(learn[index] & PORT_LEARN_DISABLE)) ksz_pwrite8(dev, index, P_STP_CTRL, learn[index]); } + kfree(learn); } static int ksz8795_port_vlan_filtering(struct dsa_switch *ds, int port,
--
2.28.0