diff options
| author | Florian Fainelli <f.fainelli@gmail.com> | 2018-05-17 16:55:39 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-05-18 12:08:25 -0400 |
| commit | 5447d78623da2eded06d4cd9469d1a71eba43bc4 (patch) | |
| tree | 9592be73df93dd131eb22ca88355861626549d6a /net | |
| parent | 6358d49ac23995fdfe157cc8747ab0f274d3954b (diff) | |
| download | linux-5447d78623da2eded06d4cd9469d1a71eba43bc4.tar.bz2 | |
net: dsa: Do not register devlink for unused ports
Even if commit 1d27732f411d ("net: dsa: setup and teardown ports") indicated
that registering a devlink instance for unused ports is not a problem, and this
is true, this can be confusing nonetheless, so let's not do it.
Fixes: 1d27732f411d ("net: dsa: setup and teardown ports")
Reported-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/dsa/dsa2.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index adf50fbc4c13..47725250b4ca 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -258,11 +258,13 @@ static void dsa_tree_teardown_default_cpu(struct dsa_switch_tree *dst) static int dsa_port_setup(struct dsa_port *dp) { struct dsa_switch *ds = dp->ds; - int err; + int err = 0; memset(&dp->devlink_port, 0, sizeof(dp->devlink_port)); - err = devlink_port_register(ds->devlink, &dp->devlink_port, dp->index); + if (dp->type != DSA_PORT_TYPE_UNUSED) + err = devlink_port_register(ds->devlink, &dp->devlink_port, + dp->index); if (err) return err; @@ -293,7 +295,8 @@ static int dsa_port_setup(struct dsa_port *dp) static void dsa_port_teardown(struct dsa_port *dp) { - devlink_port_unregister(&dp->devlink_port); + if (dp->type != DSA_PORT_TYPE_UNUSED) + devlink_port_unregister(&dp->devlink_port); switch (dp->type) { case DSA_PORT_TYPE_UNUSED: |