diff options
Diffstat (limited to 'net/dsa/dsa2.c')
| -rw-r--r-- | net/dsa/dsa2.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index c9b50339fcac..1a8df0a177b5 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -486,12 +486,18 @@ static void dsa_tree_teardown_master(struct dsa_switch_tree *dst) return dsa_master_teardown(master); } -static int dsa_dst_apply(struct dsa_switch_tree *dst) +static int dsa_tree_setup(struct dsa_switch_tree *dst) { struct dsa_switch *ds; u32 index; int err; + if (dst->setup) { + pr_err("DSA: tree %d already setup! Disjoint trees?\n", + dst->index); + return -EEXIST; + } + err = dsa_tree_setup_default_cpu(dst); if (err) return err; @@ -510,17 +516,19 @@ static int dsa_dst_apply(struct dsa_switch_tree *dst) if (err) return err; - dst->applied = true; + dst->setup = true; + + pr_info("DSA: tree %d setup\n", dst->index); return 0; } -static void dsa_dst_unapply(struct dsa_switch_tree *dst) +static void dsa_tree_teardown(struct dsa_switch_tree *dst) { struct dsa_switch *ds; u32 index; - if (!dst->applied) + if (!dst->setup) return; dsa_tree_teardown_master(dst); @@ -535,8 +543,9 @@ static void dsa_dst_unapply(struct dsa_switch_tree *dst) dsa_tree_teardown_default_cpu(dst); - pr_info("DSA: tree %d unapplied\n", dst->index); - dst->applied = false; + pr_info("DSA: tree %d torn down\n", dst->index); + + dst->setup = false; } static void dsa_tree_remove_switch(struct dsa_switch_tree *dst, @@ -794,14 +803,9 @@ static int _dsa_register_switch(struct dsa_switch *ds) if (err == 1) return 0; - if (dst->applied) { - pr_info("DSA: Disjoint trees?\n"); - return -EINVAL; - } - - err = dsa_dst_apply(dst); + err = dsa_tree_setup(dst); if (err) { - dsa_dst_unapply(dst); + dsa_tree_teardown(dst); goto out_del_dst; } @@ -852,7 +856,7 @@ static void _dsa_unregister_switch(struct dsa_switch *ds) struct dsa_switch_tree *dst = ds->dst; unsigned int index = ds->index; - dsa_dst_unapply(dst); + dsa_tree_teardown(dst); dsa_tree_remove_switch(dst, index); } |