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mac80211: Prepare mesh_table_grow to failing copy_node callback.

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The mesh_path_node_copy() performs kmalloc() and thus - may fail
(well, it does not now, but I'm fixing this right now). Its caller -
the mesh_table_grow() - isn't prepared for such a trick yet.

This preparation is just flush the new hash and make copy_node()
return an int value.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Pavel Emelyanov
2008-05-07 19:47:01 +04:00
committed by John W. Linville
parent 5194ee82b4
commit 4caf86c692
3 changed files with 16 additions and 4 deletions
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net/mac80211/mesh.h
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@@ -109,7 +109,7 @@ struct mesh_table {
__u32 hash_rnd; /* Used for hash generation */
atomic_t entries; /* Up to MAX_MESH_NEIGHBOURS */
void (*free_node) (struct hlist_node *p, bool free_leafs);
void (*copy_node) (struct hlist_node *p, struct mesh_table *newtbl);
int (*copy_node) (struct hlist_node *p, struct mesh_table *newtbl);
int size_order;
int mean_chain_len;
};