diff options
| author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2018-10-19 01:50:56 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-10-20 00:26:58 +0200 |
| commit | d592dd64006f8026e2639e81b9705b20824b73fc (patch) | |
| tree | 3f13ceb481c944f154476b8772cbe067e1d47b13 /drivers/scsi/myrs.c | |
| parent | scsi: fnic: replace gross legacy tag hack with blk-mq hack (diff) | |
| download | linux-d592dd64006f8026e2639e81b9705b20824b73fc.tar.xz linux-d592dd64006f8026e2639e81b9705b20824b73fc.zip | |
scsi: myrs: fix build failure on 32 bit
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@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/myrs.c')
| -rw-r--r-- | drivers/scsi/myrs.c | 7 |
1 files 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); } |