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mac-learning: Change mac_learning_set_flood_vlans() to not take ownership.

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These new semantics are less efficient in the case where the flood_vlans
actually changed, but that should be very rare.

There are no advantages to this change on its own, but upcoming commits
will add multiple layers between the code supplying the flood_vlans and
actually calling mac_learning_set_flood_vlans().  Consistency in this
multilayered interface seems valuable, and the rest of it does not transfer
ownership from the caller to the callee.
This commit is contained in:
Ben Pfaff
2011-04-06 15:31:22 -07:00
parent 0fb7b9156a
commit 2a4ae6357e
5 changed files with 27 additions and 11 deletions
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8
lib/bitmap.h
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2008, 2009, 2010 Nicira Networks.
* Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -53,6 +53,12 @@ bitmap_allocate(size_t n_bits)
return xzalloc(bitmap_n_bytes(n_bits));
}
static inline unsigned long *
bitmap_clone(const unsigned long *bitmap, size_t n_bits)
{
return xmemdup(bitmap, bitmap_n_bytes(n_bits));
}
static inline void
bitmap_free(unsigned long *bitmap)
{