From: Dinghao Liu dinghao.liu@zju.edu.cn
[ Upstream commit a1e17eb03e69bb61bd1b1a14610436b7b9be12d9 ]
When ufs_bsg_alloc_desc_buffer() returns an error code, a pairing runtime PM usage counter decrement is needed to keep the counter balanced.
Link: https://lore.kernel.org/r/20200522045932.31795-1-dinghao.liu@zju.edu.cn Fixes: 74e5e468b664 (scsi: ufs-bsg: Wake the device before sending raw upiu commands) Reviewed-by: Avri Altman avri.altman@wdc.com Signed-off-by: Dinghao Liu dinghao.liu@zju.edu.cn Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 d2197a31abe58..bad366e491591 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: