LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Mike Christie <michael.christie@oracle.com>
To: Ding Hui <dinghui@sangfor.com.cn>,
	lduncan@suse.com, cleech@redhat.com, jejb@linux.ibm.com,
	martin.petersen@oracle.com, open-iscsi@googlegroups.com,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] scsi: libiscsi: move init ehwait to iscsi_session_setup()
Date: Mon, 13 Sep 2021 10:23:27 -0500	[thread overview]
Message-ID: <3c40a1af-5f13-0e93-67ad-f1ccd4f1480c@oracle.com> (raw)
In-Reply-To: <20210911135159.20543-1-dinghui@sangfor.com.cn>

On 9/11/21 8:51 AM, Ding Hui wrote:
> The commit ec29d0ac29be ("scsi: iscsi: Fix conn use after free during
> resets") move member ehwait from conn to session, but left init ehwait
> in iscsi_conn_setup().
> 
> Although a session can only have 1 conn currently, it is better to
> do init ehwait in iscsi_session_setup() to prevent reinit by mistake,
> also in case we can handle multiple conns in the future.
> 
> Fixes: ec29d0ac29be ("scsi: iscsi: Fix conn use after free during resets")
> Signed-off-by: Ding Hui <dinghui@sangfor.com.cn>
> ---
> v2:
>   update commit log
>  
>  drivers/scsi/libiscsi.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
> index 4683c183e9d4..712a45368385 100644
> --- a/drivers/scsi/libiscsi.c
> +++ b/drivers/scsi/libiscsi.c
> @@ -2947,6 +2947,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
>  	session->tmf_state = TMF_INITIAL;
>  	timer_setup(&session->tmf_timer, iscsi_tmf_timedout, 0);
>  	mutex_init(&session->eh_mutex);
> +	init_waitqueue_head(&session->ehwait);
>  
>  	spin_lock_init(&session->frwd_lock);
>  	spin_lock_init(&session->back_lock);
> @@ -3074,8 +3075,6 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
>  		goto login_task_data_alloc_fail;
>  	conn->login_task->data = conn->data = data;
>  
> -	init_waitqueue_head(&session->ehwait);
> -
>  	return cls_conn;
>  
>  login_task_data_alloc_fail:
> 

Reviewed-by: Mike Christie <michael.christie@oracle.com>

  reply	other threads:[~2021-09-13 15:24 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-11 13:51 Ding Hui
2021-09-13 15:23 ` Mike Christie [this message]
2021-09-14  4:05 ` Martin K. Petersen
2021-09-22  4:45 ` Martin K. Petersen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=3c40a1af-5f13-0e93-67ad-f1ccd4f1480c@oracle.com \
    --to=michael.christie@oracle.com \
    --cc=cleech@redhat.com \
    --cc=dinghui@sangfor.com.cn \
    --cc=jejb@linux.ibm.com \
    --cc=lduncan@suse.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-scsi@vger.kernel.org \
    --cc=martin.petersen@oracle.com \
    --cc=open-iscsi@googlegroups.com \
    --subject='Re: [PATCH v2] scsi: libiscsi: move init ehwait to iscsi_session_setup()' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).