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[NET]: is_power_of_2 in net/core/neighbour.c

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Replacing n & (n - 1) for power of 2 check by is_power_of_2(n)

Signed-off-by: vignesh babu <vignesh.babu@wipro.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
vignesh babu 2007-08-24 22:27:55 -07:00 committed by David S. Miller
parent 26722873a4
commit c3609d510f
1 changed files with 2 additions and 1 deletions
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3
net/core/neighbour.c
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@ -33,6 +33,7 @@
#include <linux/rtnetlink.h>
#include <linux/random.h>
#include <linux/string.h>
#include <linux/log2.h>
#define NEIGH_DEBUG 1
@ -311,7 +312,7 @@ static void neigh_hash_grow(struct neigh_table *tbl, unsigned long new_entries)
NEIGH_CACHE_STAT_INC(tbl, hash_grows);
BUG_ON(new_entries & (new_entries - 1));
BUG_ON(!is_power_of_2(new_entries));
new_hash = neigh_hash_alloc(new_entries);
if (!new_hash)
return;