lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Use is_power_of_2() in myri10ge/myri10ge.c

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

Signed-off-by: vignesh babu <vignesh.babu@wipro.com>
Cc: Brice Goglin <brice@myri.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
vignesh babu
2007-07-09 11:50:22 -07:00
committed by Jeff Garzik
parent d9da466a3c
commit 199126a23a
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/myri10ge/myri10ge.c
View File

@@ -60,6 +60,7 @@
#include <linux/crc32.h> #include <linux/crc32.h>
#include <linux/moduleparam.h> #include <linux/moduleparam.h>
#include <linux/io.h> #include <linux/io.h>
#include <linux/log2.h>
#include <net/checksum.h> #include <net/checksum.h>
#include <asm/byteorder.h> #include <asm/byteorder.h>
#include <asm/io.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; big_pow2 = dev->mtu + ETH_HLEN + VLAN_HLEN + MXGEFW_PAD;
if (big_pow2 < MYRI10GE_ALLOC_SIZE / 2) { if (big_pow2 < MYRI10GE_ALLOC_SIZE / 2) {
while ((big_pow2 & (big_pow2 - 1)) != 0) while (!is_power_of_2(big_pow2))
big_pow2++; big_pow2++;
mgp->big_bytes = dev->mtu + ETH_HLEN + VLAN_HLEN + MXGEFW_PAD; mgp->big_bytes = dev->mtu + ETH_HLEN + VLAN_HLEN + MXGEFW_PAD;
} else { } else {