[PATCH] scsi: ufs-bsg: Fix runtime PM imbalance on error

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When ufs_bsg_alloc_desc_buffer() returns an error code,
a pairing runtime PM usage counter decrement is needed
to keep the counter balanced.

Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx>
---
 drivers/scsi/ufs/ufs_bsg.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufs_bsg.c b/drivers/scsi/ufs/ufs_bsg.c
index 53dd87628cbe..516a7f573942 100644
--- a/drivers/scsi/ufs/ufs_bsg.c
+++ b/drivers/scsi/ufs/ufs_bsg.c
@@ -106,8 +106,10 @@ static int ufs_bsg_request(struct bsg_job *job)
 		desc_op = bsg_request->upiu_req.qr.opcode;
 		ret = ufs_bsg_alloc_desc_buffer(hba, job, &desc_buff,
 						&desc_len, desc_op);
-		if (ret)
+		if (ret) {
+			pm_runtime_put_sync(hba->dev);
 			goto out;
+		}
 
 		/* fall through */
 	case UPIU_TRANSACTION_NOP_OUT:
-- 
2.17.1




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