[PATCH v7 6/8] scsi: ufs: Simplify ufshcd_set_dev_pwr_mode()

[Bart Van Assche <bvanassche@acm.org>]

Simplify the code for incrementing the SCSI device reference count in
ufshcd_set_dev_pwr_mode(). This patch removes one scsi_device_put() call
that happens from atomic context.

Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/ufs/core/ufshcd.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 7256e6c43ca6..c8f0fe740005 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -8752,15 +8752,10 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
 
 	spin_lock_irqsave(hba->host->host_lock, flags);
 	sdp = hba->ufs_device_wlun;
-	if (sdp) {
+	if (sdp && scsi_device_online(sdp))
 		ret = scsi_device_get(sdp);
-		if (!ret && !scsi_device_online(sdp)) {
-			ret = -ENODEV;
-			scsi_device_put(sdp);
-		}
-	} else {
+	else
 		ret = -ENODEV;
-	}
 	spin_unlock_irqrestore(hba->host->host_lock, flags);
 
 	if (ret)