2008-05-07 15:58:52

by Pavel Emelyanov

[permalink] [raw]
Subject: [PATCH 6/7][MAC80211]: Merge error paths in mesh_table_grow().

This is the first (of two) clean ups after the fixes above.

The err variable is not even required after this cleaning.

Signed-off-by: Pavel Emelyanov <[email protected]>

---
net/mac80211/mesh.c | 16 ++++------------
1 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 273f0b6..f46fbdb 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -350,20 +350,15 @@ struct mesh_table *mesh_table_grow(struct mesh_table *tbl)
struct mesh_table *newtbl;
struct hlist_head *oldhash;
struct hlist_node *p, *q;
- int err = 0;
int i;

if (atomic_read(&tbl->entries)
- < tbl->mean_chain_len * (tbl->hash_mask + 1)) {
- err = -EPERM;
+ < tbl->mean_chain_len * (tbl->hash_mask + 1))
goto endgrow;
- }

newtbl = mesh_table_alloc(tbl->size_order + 1);
- if (!newtbl) {
- err = -ENOMEM;
+ if (!newtbl)
goto endgrow;
- }

newtbl->free_node = tbl->free_node;
newtbl->mean_chain_len = tbl->mean_chain_len;
@@ -376,11 +371,7 @@ struct mesh_table *mesh_table_grow(struct mesh_table *tbl)
if (tbl->copy_node(p, newtbl) < 0)
goto errcopy;

-endgrow:
- if (err)
- return NULL;
- else
- return newtbl;
+ return newtbl;

errcopy:
for (i = 0; i <= newtbl->hash_mask; i++) {
@@ -390,6 +381,7 @@ errcopy:
kfree(newtbl->hash_buckets);
kfree(newtbl->hashwlock);
kfree(newtbl);
+endgrow:
return NULL;
}

--
1.5.3.4