Fix an issue where dump stack is printed on suspend resume flow due to
netif_set_real_num_rx_queues() is not called with rtnl_lock held().
Fixes: 686cff3d7022 ("net: stmmac: Fix incorrect location to set
real_num_rx|tx_queues")
Reported-by: Christophe ROULLIER <[email protected]>
Tested-by: Christophe ROULLIER <[email protected]>
Cc: Alexandre TORGUE <[email protected]>
Reviewed-by: Ong Boon Leong <[email protected]>
Signed-off-by: Wong Vee Khee <[email protected]>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index ba855465a2db..33e280040000 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -5278,7 +5278,10 @@ int stmmac_resume(struct device *dev)
stmmac_clear_descriptors(priv);
+ rtnl_lock();
stmmac_hw_setup(ndev, false);
+ rtnl_unlock();
+
stmmac_init_coalesce(priv);
stmmac_set_rx_mode(ndev);
--
2.17.0
