Re: [PATCH 8/9] be2iscsi: Fix WRB leak in login/logout path

[Hannes Reinecke <hare@suse.de>]

On 12/14/2015 07:11 AM, Jitendra Bhivare wrote:
> From: Jitendra <jitendra.bhivare@avagotech.com>
>
> Login/Logout loop was hanging after few hours. /var/log/message showed
> that alloc_wrb_handle() function was not able to allocate any new WRB.
>
> Sep 11 11:25:22 Jhelum10 kernel: connection32513:0: Could not send nopout
> Sep 11 11:25:22 Jhelum10 kernel: scsi host10: BM_4989 : Alloc of WRB_HANDLE
> Failedfor the CID : 384
> Sep 11 11:25:22 Jhelum10 kernel: connection32513:0: Could not allocate pdu
> for mgmt task.
>
> Driver allocates WRB to pass login negotiated parameters information to FW
> in beiscsi_offload_connection(). This allocated WRB was not freed so there
> was WRB_Leak happening.
>
> Put WRB used for posting the login-negotiated parameters back in pool.
>
> Signed-off-by: Jitendra <jitendra.bhivare@avagotech.com>
> ---
>   drivers/scsi/be2iscsi/be_main.c |   72 ++++++++++++++++++++++++++------------
>   1 files changed, 49 insertions(+), 23 deletions(-)
>
Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		               zSeries & Storage
hare@suse.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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HRB 21284 (AG Nürnberg)
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