For 32 bit versions we have to be careful about divisions of 64 bit
quantities so use do_div() instead of a direct division. This fixes a
warning about _uldivmod being undefined in certain configurations
Fixes: 77266186397c ("scsi: myrs: Add Mylex RAID controller")
Reported-by: kbuild test robot <lkp@xxxxxxxxx>
Signed-off-by: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/myrs.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/myrs.c b/drivers/scsi/myrs.c
index b02ee0b0dd55..a9f9c77e889f 100644
--- a/drivers/scsi/myrs.c
+++ b/drivers/scsi/myrs.c
@@ -1978,7 +1978,8 @@ myrs_get_resync(struct device *dev)
struct scsi_device *sdev = to_scsi_device(dev);
struct myrs_hba *cs = shost_priv(sdev->host);
struct myrs_ldev_info *ldev_info = sdev->hostdata;
- u8 percent_complete = 0, status;
+ u64 percent_complete = 0;
+ u8 status;
if (sdev->channel < cs->ctlr_info->physchan_present || !ldev_info)
return;
@@ -1986,8 +1987,8 @@ myrs_get_resync(struct device *dev)
unsigned short ldev_num = ldev_info->ldev_num;
status = myrs_get_ldev_info(cs, ldev_num, ldev_info);
- percent_complete = ldev_info->rbld_lba * 100 /
- ldev_info->cfg_devsize;
+ percent_complete = ldev_info->rbld_lba * 100;
+ do_div(percent_complete, ldev_info->cfg_devsize);
}
raid_set_resync(myrs_raid_template, dev, percent_complete);
}
--
2.16.4
