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[SCSI] sg: use ALIGN macro 

This changes sg_build_indirect() to use ALIGN macro instead of
calculating by hand.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
FUJITA Tomonori 2009-02-12 02:42:57 +09:00 committed by James Bottomley
parent 2134bc72dd
commit b2ed6c69aa
1 changed files with 2 additions and 3 deletions
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5
drivers/scsi/sg.c
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@ -98,7 +98,6 @@ static int scatter_elem_sz = SG_SCATTER_SZ;
static int scatter_elem_sz_prev = SG_SCATTER_SZ; static int scatter_elem_sz_prev = SG_SCATTER_SZ;
#define SG_SECTOR_SZ 512 #define SG_SECTOR_SZ 512
#define SG_SECTOR_MSK (SG_SECTOR_SZ - 1)
static int sg_add(struct device *, struct class_interface *); static int sg_add(struct device *, struct class_interface *);
static void sg_remove(struct device *, struct class_interface *); static void sg_remove(struct device *, struct class_interface *);
@ -1723,8 +1722,8 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size)
return -EFAULT; return -EFAULT;
if (0 == blk_size) if (0 == blk_size)
++blk_size; /* don't know why */ ++blk_size; /* don't know why */
/* round request up to next highest SG_SECTOR_SZ byte boundary */ /* round request up to next highest SG_SECTOR_SZ byte boundary */
blk_size = (blk_size + SG_SECTOR_MSK) & (~SG_SECTOR_MSK); blk_size = ALIGN(blk_size, SG_SECTOR_SZ);
SCSI_LOG_TIMEOUT(4, printk("sg_build_indirect: buff_size=%d, blk_size=%d\n", SCSI_LOG_TIMEOUT(4, printk("sg_build_indirect: buff_size=%d, blk_size=%d\n",
buff_size, blk_size)); buff_size, blk_size));