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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2009-02-12 02:42:57 +0900
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-03-12 12:58:14 -0500
commitb2ed6c69aa3c1a3f496e2a72f770d53069371df3 (patch)
tree8dd6fc39ab31001b16e34a81ff185a840ff8859b /drivers/scsi/sg.c
parent2134bc72ddc04d412c0c2ce93a9c6f19de6cac35 (diff)
downloadlinux-b2ed6c69aa3c1a3f496e2a72f770d53069371df3.tar.bz2
[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>
Diffstat (limited to 'drivers/scsi/sg.c')
-rw-r--r--drivers/scsi/sg.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index f493d7fca348..d45ac4aab92f 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -98,7 +98,6 @@ static int scatter_elem_sz = SG_SCATTER_SZ;
static int scatter_elem_sz_prev = SG_SCATTER_SZ;
#define SG_SECTOR_SZ 512
-#define SG_SECTOR_MSK (SG_SECTOR_SZ - 1)
static int sg_add(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;
if (0 == blk_size)
++blk_size; /* don't know why */
-/* round request up to next highest SG_SECTOR_SZ byte boundary */
- blk_size = (blk_size + SG_SECTOR_MSK) & (~SG_SECTOR_MSK);
+ /* round request up to next highest SG_SECTOR_SZ byte boundary */
+ blk_size = ALIGN(blk_size, SG_SECTOR_SZ);
SCSI_LOG_TIMEOUT(4, printk("sg_build_indirect: buff_size=%d, blk_size=%d\n",
buff_size, blk_size));