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

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.winkler@intel.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Tomas Winkler 2017-03-12 12:22:02 +02:00 committed by Martin K. Petersen
parent 2ef2884980
commit 949d7fa158
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/ufs/ufshcd.c
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@ -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);