lkml.org 
[lkml]   [2020]   [Jun]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] scsi: ufs-bsg: Fix runtime PM imbalance on error
From
Date

Avri: Please review!

> 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@zju.edu.cn>
> ---
> 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:

--
Martin K. Petersen Oracle Linux Engineering

\
 
 \ /
  Last update: 2020-06-10 04:12    [W:0.162 / U:0.360 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site