linux-kernel - [PATCH 18/19] scsi: dc395x: Mark 's_stat2' as __maybe

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Date:   Mon,  2 Nov 2020 11:57:27 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     martin.petersen@...cle.com
Cc:     linux-kernel@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
        Oliver Neukum <oliver@...kum.org>,
        Ali Akcaagac <aliakc@....de>,
        Jamie Lenehan <lenehan@...bble.org>,
        "C.L. Huang" <ching@...ram.com.tw>,
        Erich Chen <erich@...ram.com.tw>,
        Kurt Garloff <garloff@...e.de>, dc395x@...bble.org
Subject: [PATCH 18/19] scsi: dc395x: Mark 's_stat2' as __maybe_unused

It's only utilised when debugging is enabled.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/dc395x.c: In function ‘start_scsi’:
 drivers/scsi/dc395x.c:1359:6: warning: variable ‘s_stat2’ set but not used [-Wunused-but-set-variable]

Cc: Oliver Neukum <oliver@...kum.org>
Cc: Ali Akcaagac <aliakc@....de>
Cc: Jamie Lenehan <lenehan@...bble.org>
Cc: "C.L. Huang" <ching@...ram.com.tw>
Cc: Erich Chen <erich@...ram.com.tw>
Cc: Kurt Garloff <garloff@...e.de>
Cc: dc395x@...bble.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/scsi/dc395x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c
index f838fe8d74578..7b522ff345d5e 100644
--- a/drivers/scsi/dc395x.c
+++ b/drivers/scsi/dc395x.c
@@ -1356,7 +1356,7 @@ void selection_timeout_missed(unsigned long ptr)
 static u8 start_scsi(struct AdapterCtlBlk* acb, struct DeviceCtlBlk* dcb,
 		struct ScsiReqBlk* srb)
 {
-	u16 s_stat2, return_code;
+	u16 __maybe_unused s_stat2, return_code;
 	u8 s_stat, scsicommand, i, identify_message;
 	u8 *ptr;
 	dprintkdbg(DBG_0, "start_scsi: (0x%p) <%02i-%i> srb=%p\n",
-- 
2.25.1