[PATCH net] net: bridge: use switchdev for port flags set through sysfs too

From: Vladimir Oltean
Date: Sun Feb 07 2021 - 14:48:55 EST


From: Vladimir Oltean <vladimir.oltean@xxxxxxx>

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>
---
net/bridge/br_sysfs_if.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
index 96ff63cde1be..5aea9427ffe1 100644
--- a/net/bridge/br_sysfs_if.c
+++ b/net/bridge/br_sysfs_if.c
@@ -59,9 +59,8 @@ 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;
@@ -69,6 +68,10 @@ static int store_flag(struct net_bridge_port *p, unsigned long v,
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);
}
--
2.25.1