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author | Allan Stephens <allan.stephens@windriver.com> | 2010-05-11 14:30:15 +0000 |
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committer | David S. Miller <davem@davemloft.net> | 2010-05-12 23:02:27 -0700 |
commit | 43608edc2dbe83057544cf76b765ecdf63d59e8c (patch) | |
tree | 42d6e8c1f2d075c2523ff4f9e6ac07ffce758d5e /net/tipc/bcast.c | |
parent | 3e22e62b6204414cf31c414d5a91897e2b718135 (diff) | |
download | linux-43608edc2dbe83057544cf76b765ecdf63d59e8c.tar.gz linux-43608edc2dbe83057544cf76b765ecdf63d59e8c.tar.bz2 linux-43608edc2dbe83057544cf76b765ecdf63d59e8c.zip |
tipc: Reduce footprint by un-inlining port list routines
Converts port list inline routines that are more than one line into
standard functions, thereby eliminating a significant amount of
repeated code.
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/bcast.c')
-rw-r--r-- | net/tipc/bcast.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c index 1ee6424ef3e0..a008c6689305 100644 --- a/net/tipc/bcast.c +++ b/net/tipc/bcast.c @@ -882,3 +882,53 @@ void tipc_nmap_diff(struct tipc_node_map *nm_a, struct tipc_node_map *nm_b, } } } + +/** + * tipc_port_list_add - add a port to a port list, ensuring no duplicates + */ + +void tipc_port_list_add(struct port_list *pl_ptr, u32 port) +{ + struct port_list *item = pl_ptr; + int i; + int item_sz = PLSIZE; + int cnt = pl_ptr->count; + + for (; ; cnt -= item_sz, item = item->next) { + if (cnt < PLSIZE) + item_sz = cnt; + for (i = 0; i < item_sz; i++) + if (item->ports[i] == port) + return; + if (i < PLSIZE) { + item->ports[i] = port; + pl_ptr->count++; + return; + } + if (!item->next) { + item->next = kmalloc(sizeof(*item), GFP_ATOMIC); + if (!item->next) { + warn("Incomplete multicast delivery, no memory\n"); + return; + } + item->next->next = NULL; + } + } +} + +/** + * tipc_port_list_free - free dynamically created entries in port_list chain + * + */ + +void tipc_port_list_free(struct port_list *pl_ptr) +{ + struct port_list *item; + struct port_list *next; + + for (item = pl_ptr->next; item; item = next) { + next = item->next; + kfree(item); + } +} + |