Hi Tim,
Today I have sent the below titled patch to upstream which fix the "Unused
variable 'event_data' warning".
The Patch title is
"[PATCH][SCSI] mpt2sas: fix for unused variable 'event_data' warning"
This patch will help you in fixing the "Unused variable 'event_data' warning".
Thanks,
Sreekanth
> -----Original Message-----
> From: linux-scsi-ow...@vger.kernel.org [mailto:linux-scsi-
> ow...@vger.kernel.org] On Behalf Of Tim Gardner
> Sent: Thursday, February 21, 2013 12:18 AM
> To: linux-ker...@vger.kernel.org
> Cc: Tim Gardner; Nandigama, Nagalakshmi; Reddy, Sreekanth; Support;
> James E.J. Bottomley; DL-MPT Fusion Linux; linux-scsi@vger.kernel.org
> Subject: [PATCH linux/linux-next] mpt2sas:
> _scsih_sas_broadcast_primitive_event: Quiet unused variable warning
>
> If CONFIG_SCSI_MPT2SAS_LOGGING is undefined, then these warnings are
> emitted:
>
> drivers/scsi/mpt2sas/mpt2sas_scsih.c: In function
> '_scsih_sas_broadcast_primitive_event':
> drivers/scsi/mpt2sas/mpt2sas_scsih.c:5810:40: warning: unused variable
> 'event_data' [-Wunused-variable]
>
> Add __maybe_unused to the definition of event_data.
>
> Cc: Nagalakshmi Nandigama <nagalakshmi.nandig...@lsi.com>
> Cc: Sreekanth Reddy <sreekanth.re...@lsi.com>
> Cc: supp...@lsi.com
> Cc: "James E.J. Bottomley" <jbottom...@parallels.com>
> Cc: dl-mptfusionli...@lsi.com
> Cc: linux-scsi@vger.kernel.org
> Signed-off-by: Tim Gardner <tim.gard...@canonical.com>
> ---
> drivers/scsi/mpt2sas/mpt2sas_scsih.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
> b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
> index c6bdc92..416f907 100644
> --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
> +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
> @@ -5807,7 +5807,8 @@ _scsih_sas_broadcast_primitive_event(struct
> MPT2SAS_ADAPTER *ioc,
> u32 termination_count;
> u32 query_count;
> Mpi2SCSITaskManagementReply_t *mpi_reply;
> - Mpi2EventDataSasBroadcastPrimitive_t *event_data = fw_event-
> >event_data;
> + Mpi2EventDataSasBroadcastPrimitive_t *event_data
> __maybe_unused =
> + fw_event->event_data;
> u16 ioc_status;
> unsigned long flags;
> int r;
> --
> 1.7.9.5
>
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