Commit 11836572 authored by vignesh babu's avatar vignesh babu Committed by James Bottomley
Browse files

[SCSI] libiscsi: use is_power_of_2



Replacing n & (n - 1) for power of 2 check by is_power_of_2(n)
Signed-off-by: default avatarvignesh babu <vignesh.babu@wipro.com>
Signed-off-by: default avatarMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 4545a88f
......@@ -24,6 +24,7 @@
#include <linux/types.h>
#include <linux/kfifo.h>
#include <linux/delay.h>
#include <linux/log2.h>
#include <asm/unaligned.h>
#include <net/tcp.h>
#include <scsi/scsi_cmnd.h>
......@@ -1700,7 +1701,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit,
qdepth = ISCSI_DEF_CMD_PER_LUN;
}
if (cmds_max < 2 || (cmds_max & (cmds_max - 1)) ||
if (!is_power_of_2(cmds_max) ||
cmds_max >= ISCSI_MGMT_ITT_OFFSET) {
if (cmds_max != 0)
printk(KERN_ERR "iscsi: invalid can_queue of %d. "
......
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