Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d9da466a3ce2ac005e05bb649a0f2cfb5c3d5d45
Commit: d9da466a3ce2ac005e05bb649a0f2cfb5c3d5d45
Parent: de0d3dc0e8ecd80f602fac03feb8fd53d0c17a8c
Author: vignesh babu <[EMAIL PROTECTED]>
AuthorDate: Mon Jul 9 11:50:22 2007 -0700
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Tue Jul 10 12:22:30 2007 -0400
use is_power_of_2() in cxgb3/cxgb3_main.c
Replace (n & (n-1)) with is_power_of_2()
Signed-off-by: vignesh babu <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
drivers/net/cxgb3/cxgb3_main.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 15defe4..6fd1e52 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -43,6 +43,7 @@
#include <linux/proc_fs.h>
#include <linux/rtnetlink.h>
#include <linux/firmware.h>
+#include <linux/log2.h>
#include <asm/uaccess.h>
#include "common.h"
@@ -1818,8 +1819,8 @@ static int cxgb_extension_ioctl(struct net_device *dev,
void __user *useraddr)
return -EBUSY;
if (copy_from_user(&m, useraddr, sizeof(m)))
return -EFAULT;
- if (!m.rx_pg_sz || (m.rx_pg_sz & (m.rx_pg_sz - 1)) ||
- !m.tx_pg_sz || (m.tx_pg_sz & (m.tx_pg_sz - 1)))
+ if (!is_power_of_2(m.rx_pg_sz) ||
+ !is_power_of_2(m.tx_pg_sz))
return -EINVAL; /* not power of 2 */
if (!(m.rx_pg_sz & 0x14000))
return -EINVAL; /* not 16KB or 64KB */
-
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