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Use is_power_of_2() in myri10ge/myri10ge.c

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Replace (n & (n-1)) with is_power_of_2()

Signed-off-by: vignesh babu <[email protected]>
Cc: Brice Goglin <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>
This commit is contained in:
vignesh babu 2007-07-09 11:50:22 -07:00 • committed by Jeff Garzik
commit 199126a23a
1 changed files with 2 additions and 1 deletions
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3
drivers/net/myri10ge/myri10ge.c
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@ -60,6 +60,7 @@
#include <linux/crc32.h>
#include <linux/moduleparam.h>
#include <linux/io.h>
#include <linux/log2.h>
#include <net/checksum.h>
#include <asm/byteorder.h>
#include <asm/io.h>
@ -1804,7 +1805,7 @@ static int myri10ge_open(struct net_device *dev)
*/
big_pow2 = dev->mtu + ETH_HLEN + VLAN_HLEN + MXGEFW_PAD;
if (big_pow2 < MYRI10GE_ALLOC_SIZE / 2) {
while ((big_pow2 & (big_pow2 - 1)) != 0)
while (!is_power_of_2(big_pow2))
big_pow2++;
mgp->big_bytes = dev->mtu + ETH_HLEN + VLAN_HLEN + MXGEFW_PAD;
} else {