Replacing (n & (n-1)) in the context of power of 2 checks
with is_power_of_2

Signed-off-by: vignesh babu <[EMAIL PROTECTED]>
--- 
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 6f3bb73..e663999 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -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;

-- 
Vignesh Babu BM 
_____________________________________________________________ 
"Why is it that every time I'm with you, makes me believe in magic?"

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