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Diffstat (limited to 'net/dsa/dsa2.c')
-rw-r--r--net/dsa/dsa2.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 9526bdf2a34a..42a41d84053c 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -378,9 +378,11 @@ static int dsa_dst_apply(struct dsa_switch_tree *dst)
return err;
}
- err = dsa_cpu_port_ethtool_setup(dst->ds[0]);
- if (err)
- return err;
+ if (dst->ds[0]) {
+ err = dsa_cpu_port_ethtool_setup(dst->ds[0]);
+ if (err)
+ return err;
+ }
/* If we use a tagging format that doesn't have an ethertype
* field, make sure that all packets from this point on get
@@ -417,7 +419,8 @@ static void dsa_dst_unapply(struct dsa_switch_tree *dst)
dsa_ds_unapply(dst, ds);
}
- dsa_cpu_port_ethtool_restore(dst->ds[0]);
+ if (dst->ds[0])
+ dsa_cpu_port_ethtool_restore(dst->ds[0]);
pr_info("DSA: tree %d unapplied\n", dst->tree);
dst->applied = false;