2020-03-25 06:55:23

by Wu Bo

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Subject: [PATCH] scsi:libiscsi:Fix an error count for active session

From: Wu Bo <[email protected]>

Fix an error count for active session if the total_cmds is invalid
on the function iscsi_session_setup().
decrement the number of active sessions before the func return.

Signed-off-by: Wu Bo <[email protected]>
---
drivers/scsi/libiscsi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 70b99c0..b7158eb 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -2771,7 +2771,7 @@ struct iscsi_cls_session *
"must be a power of 2.\n", total_cmds);
total_cmds = rounddown_pow_of_two(total_cmds);
if (total_cmds < ISCSI_TOTAL_CMDS_MIN)
- return NULL;
+ goto dec_session_count;
printk(KERN_INFO "iscsi: Rounding can_queue to %d.\n",
total_cmds);
}
--
1.8.3.1


2020-03-26 17:40:57

by Lee Duncan

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Subject: Re: [PATCH] scsi:libiscsi:Fix an error count for active session

On 3/24/20 11:53 PM, wubo (T) wrote:
> From: Wu Bo <[email protected]>
>
> Fix an error count for active session if the total_cmds is invalid
> on the function iscsi_session_setup().
> decrement the number of active sessions before the func return.
>
> Signed-off-by: Wu Bo <[email protected]>
> ---
> drivers/scsi/libiscsi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
> index 70b99c0..b7158eb 100644
> --- a/drivers/scsi/libiscsi.c
> +++ b/drivers/scsi/libiscsi.c
> @@ -2771,7 +2771,7 @@ struct iscsi_cls_session *
> "must be a power of 2.\n", total_cmds);
> total_cmds = rounddown_pow_of_two(total_cmds);
> if (total_cmds < ISCSI_TOTAL_CMDS_MIN)
> - return NULL;
> + goto dec_session_count;
> printk(KERN_INFO "iscsi: Rounding can_queue to %d.\n",
> total_cmds);
> }
> --
> 1.8.3.1
>

Reviewed-by: Lee Duncan <[email protected]>

2020-03-27 02:51:24

by Martin K. Petersen

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Subject: Re: [PATCH] scsi:libiscsi:Fix an error count for active session


wubo,

> Fix an error count for active session if the total_cmds is invalid on
> the function iscsi_session_setup(). decrement the number of active
> sessions before the func return.

Applied to 5.7/scsi-queue, thanks!

--
Martin K. Petersen Oracle Linux Engineering