Manually rebased: generic/pending-5.4/800-bcma-get-SoC-device-struct-copy-its-DMA-params-to-th.patch mvebu/patches-5.4/021-arm64-dts-marvell-armada-37xx-Move-PCIe-comphy-handl.patch Removed upstreamed: layerscape/patches-5.4/819-uart-0004-MLK-18137-fsl_lpuart-Fix-loopback-mode.patch All others updated automatically. Compile-tested on: lantiq/xrx200, armvirt/64 Runtime-tested on: lantiq/xrx200, armvirt/64 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
		
			
				
	
	
		
			86 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From 447d290a58bd335d68f665713842365d3d6447df Mon Sep 17 00:00:00 2001
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From: Vladimir Oltean <vladimir.oltean@nxp.com>
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Date: Wed, 6 Jan 2021 11:51:33 +0200
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Subject: [PATCH] net: dsa: move switchdev event implementation under the same
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 switch/case statement
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We'll need to start listening to SWITCHDEV_FDB_{ADD,DEL}_TO_DEVICE
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events even for interfaces where dsa_slave_dev_check returns false, so
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we need that check inside the switch-case statement for SWITCHDEV_FDB_*.
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This movement also avoids a useless allocation / free of switchdev_work
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on the untreated "default event" case.
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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: Jakub Kicinski <kuba@kernel.org>
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---
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 net/dsa/slave.c | 35 ++++++++++++++++-------------------
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 1 file changed, 16 insertions(+), 19 deletions(-)
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--- a/net/dsa/slave.c
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+++ b/net/dsa/slave.c
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@@ -1640,31 +1640,29 @@ static int dsa_slave_switchdev_event(str
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 	struct dsa_port *dp;
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 	int err;
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-	if (event == SWITCHDEV_PORT_ATTR_SET) {
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+	switch (event) {
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+	case SWITCHDEV_PORT_ATTR_SET:
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 		err = switchdev_handle_port_attr_set(dev, ptr,
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 						     dsa_slave_dev_check,
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 						     dsa_slave_port_attr_set);
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 		return notifier_from_errno(err);
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-	}
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-
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-	if (!dsa_slave_dev_check(dev))
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-		return NOTIFY_DONE;
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+	case SWITCHDEV_FDB_ADD_TO_DEVICE:
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+	case SWITCHDEV_FDB_DEL_TO_DEVICE:
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+		if (!dsa_slave_dev_check(dev))
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+			return NOTIFY_DONE;
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-	dp = dsa_slave_to_port(dev);
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+		dp = dsa_slave_to_port(dev);
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-	switchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC);
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-	if (!switchdev_work)
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-		return NOTIFY_BAD;
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-
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-	INIT_WORK(&switchdev_work->work,
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-		  dsa_slave_switchdev_event_work);
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-	switchdev_work->ds = dp->ds;
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-	switchdev_work->port = dp->index;
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-	switchdev_work->event = event;
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+		switchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC);
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+		if (!switchdev_work)
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+			return NOTIFY_BAD;
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+
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+		INIT_WORK(&switchdev_work->work,
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+			  dsa_slave_switchdev_event_work);
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+		switchdev_work->ds = dp->ds;
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+		switchdev_work->port = dp->index;
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+		switchdev_work->event = event;
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-	switch (event) {
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-	case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */
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-	case SWITCHDEV_FDB_DEL_TO_DEVICE:
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 		fdb_info = ptr;
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 		if (!fdb_info->added_by_user) {
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@@ -1677,13 +1675,12 @@ static int dsa_slave_switchdev_event(str
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 		switchdev_work->vid = fdb_info->vid;
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 		dev_hold(dev);
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+		dsa_schedule_work(&switchdev_work->work);
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 		break;
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 	default:
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-		kfree(switchdev_work);
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 		return NOTIFY_DONE;
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 	}
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-	dsa_schedule_work(&switchdev_work->work);
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 	return NOTIFY_OK;
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 }
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