[scsi] scsi: ufs: don't check unsigned type for a negative value

[Tomas Winkler]

Fix compilation warning

drivers/scsi/ufs/ufshcd.c:7645:13: warning: comparison of unsigned
expression < 0 is always false [-Wtype-limits]
if ((value < UFS_PM_LVL_0) || (value >= UFS_PM_LVL_MAX))

Signed-off-by: Tomas Winkler <tomas.wink...@intel.com>
---
 drivers/scsi/ufs/ufshcd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 1359913bf840..e8c26e6e6237 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -7642,7 +7642,7 @@ static inline ssize_t ufshcd_pm_lvl_store(struct device 
*dev,
        if (kstrtoul(buf, 0, &value))
                return -EINVAL;
 
-       if ((value < UFS_PM_LVL_0) || (value >= UFS_PM_LVL_MAX))
+       if (value >= UFS_PM_LVL_MAX)
                return -EINVAL;
 
        spin_lock_irqsave(hba->host->host_lock, flags);
-- 
2.9.3