diff options
Diffstat (limited to 'net/dsa/dsa2.c')
| -rw-r--r-- | net/dsa/dsa2.c | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index d3f1a7607463..609d92684505 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -38,15 +38,6 @@ static struct dsa_switch_tree *dsa_get_dst(unsigned int index) return NULL; } -static void dsa_free_dst(struct kref *ref) -{ - struct dsa_switch_tree *dst = container_of(ref, struct dsa_switch_tree, - refcount); - - list_del(&dst->list); - kfree(dst); -} - static struct dsa_switch_tree *dsa_add_dst(unsigned int index) { struct dsa_switch_tree *dst; @@ -65,10 +56,35 @@ static struct dsa_switch_tree *dsa_add_dst(unsigned int index) return dst; } +static void dsa_tree_free(struct dsa_switch_tree *dst) +{ + list_del(&dst->list); + kfree(dst); +} + +static void dsa_tree_get(struct dsa_switch_tree *dst) +{ + kref_get(&dst->refcount); +} + +static void dsa_tree_release(struct kref *ref) +{ + struct dsa_switch_tree *dst; + + dst = container_of(ref, struct dsa_switch_tree, refcount); + + dsa_tree_free(dst); +} + +static void dsa_tree_put(struct dsa_switch_tree *dst) +{ + kref_put(&dst->refcount, dsa_tree_release); +} + static void dsa_dst_add_ds(struct dsa_switch_tree *dst, struct dsa_switch *ds, u32 index) { - kref_get(&dst->refcount); + dsa_tree_get(dst); dst->ds[index] = ds; } @@ -76,7 +92,7 @@ static void dsa_dst_del_ds(struct dsa_switch_tree *dst, struct dsa_switch *ds, u32 index) { dst->ds[index] = NULL; - kref_put(&dst->refcount, dsa_free_dst); + dsa_tree_put(dst); } /* For platform data configurations, we need to have a valid name argument to |