scsi: ufs: fix static checker warning in __ufshcd_setup_clocks

This patch fixes newly introduced static checker warning in
__ufshcd_setup_clocks, introduced by UFS power management series.

Warning:
drivers/scsi/ufs/ufshcd.c:4474 __ufshcd_setup_clocks()
warn: we tested 'ret' before and it was 'false'

To fix it we remove the (!ret) from the condition.
Signed-off-by: Dolev Raviv <draviv@codeaurora.org>
Reviewed-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/scsi/ufs/ufshcd.c

@@ -4473,7 +4473,7 @@ static int __ufshcd_setup_clocks(struct ufs_hba *hba, bool on,
 			if (!IS_ERR_OR_NULL(clki->clk) && clki->enabled)
 				clk_disable_unprepare(clki->clk);
 		}
-	} else if (!ret && on) {
+	} else if (on) {
 		spin_lock_irqsave(hba->host->host_lock, flags);
 		hba->clk_gating.state = CLKS_ON;
 		spin_unlock_irqrestore(hba->host->host_lock, flags);