37a0cae33e
All patches automatically rebased Build system: x86_64 Build-tested: bcm2711/RPi4B, mt7622/RT3200 Run-tested: bcm2711/RPi4B, mt7622/RT3200 Signed-off-by: John Audia <therealgraysky@proton.me>
35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From e31dbd3b6aba585231cd84a87adeb22e7c6a8c19 Mon Sep 17 00:00:00 2001
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From: Vladimir Oltean <vladimir.oltean@nxp.com>
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Date: Thu, 6 Jan 2022 01:11:13 +0200
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Subject: [PATCH 2/6] net: dsa: merge rtnl_lock sections in dsa_slave_create
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Currently dsa_slave_create() has two sequences of rtnl_lock/rtnl_unlock
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in a row. Remove the rtnl_unlock() and rtnl_lock() in between, such that
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the operation can execute slighly faster.
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Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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net/dsa/slave.c | 4 +---
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1 file changed, 1 insertion(+), 3 deletions(-)
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--- a/net/dsa/slave.c
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+++ b/net/dsa/slave.c
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@@ -1988,14 +1988,12 @@ int dsa_slave_create(struct dsa_port *po
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}
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rtnl_lock();
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+
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ret = dsa_slave_change_mtu(slave_dev, ETH_DATA_LEN);
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- rtnl_unlock();
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if (ret && ret != -EOPNOTSUPP)
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dev_warn(ds->dev, "nonfatal error %d setting MTU to %d on port %d\n",
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ret, ETH_DATA_LEN, port->index);
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- rtnl_lock();
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-
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ret = register_netdevice(slave_dev);
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if (ret) {
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netdev_err(master, "error %d registering interface %s\n",
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