[PATCH 5.11 027/104] net: bridge: use switchdev for port flags set through sysfs too

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From: Vladimir Oltean <vladimir.oltean@xxxxxxx>

commit 8043c845b63a2dd88daf2d2d268a33e1872800f0 upstream.

Looking through patchwork I don't see that there was any consensus to
use switchdev notifiers only in case of netlink provided port flags but
not sysfs (as a sort of deprecation, punishment or anything like that),
so we should probably keep the user interface consistent in terms of
functionality.

http://patchwork.ozlabs.org/project/netdev/patch/20170605092043.3523-3-jiri@xxxxxxxxxxx/
http://patchwork.ozlabs.org/project/netdev/patch/20170608064428.4785-3-jiri@xxxxxxxxxxx/

Fixes: 3922285d96e7 ("net: bridge: Add support for offloading port attributes")
Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
Acked-by: Nikolay Aleksandrov <nikolay@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 net/bridge/br_sysfs_if.c |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

--- a/net/bridge/br_sysfs_if.c
+++ b/net/bridge/br_sysfs_if.c
@@ -55,9 +55,8 @@ static BRPORT_ATTR(_name, 0644,					\
 static int store_flag(struct net_bridge_port *p, unsigned long v,
 		      unsigned long mask)
 {
-	unsigned long flags;
-
-	flags = p->flags;
+	unsigned long flags = p->flags;
+	int err;
 
 	if (v)
 		flags |= mask;
@@ -65,6 +64,10 @@ static int store_flag(struct net_bridge_
 		flags &= ~mask;
 
 	if (flags != p->flags) {
+		err = br_switchdev_set_port_flag(p, flags, mask);
+		if (err)
+			return err;
+
 		p->flags = flags;
 		br_port_flags_change(p, mask);
 	}





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