linux-kernel - [PATCH] virtio scsi: fix unused variable warning

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Date:	Tue, 30 Jun 2015 10:59:04 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	James Bottomley <JBottomley@...n.com>
Cc:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@....de>,
	"Michael S. Tsirkin" <mst@...hat.com>
Subject: [PATCH] virtio scsi: fix unused variable warning

Fixes:

drivers/scsi/virtio_scsi.c: In function 'virtscsi_probe':
drivers/scsi/virtio_scsi.c:952:11: warning: unused variable 'host_prot' [-Wunused-variable]
  int err, host_prot;
           ^

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/scsi/virtio_scsi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 285f77544c36..7dbbb29d24c6 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -949,7 +949,7 @@ static int virtscsi_probe(struct virtio_device *vdev)
 {
 	struct Scsi_Host *shost;
 	struct virtio_scsi *vscsi;
-	int err, host_prot;
+	int err;
 	u32 sg_elems, num_targets;
 	u32 cmd_per_lun;
 	u32 num_queues;
@@ -1009,6 +1009,8 @@ static int virtscsi_probe(struct virtio_device *vdev)
 
 #ifdef CONFIG_BLK_DEV_INTEGRITY
 	if (virtio_has_feature(vdev, VIRTIO_SCSI_F_T10_PI)) {
+		int host_prot;
+
 		host_prot = SHOST_DIF_TYPE1_PROTECTION | SHOST_DIF_TYPE2_PROTECTION |
 			    SHOST_DIF_TYPE3_PROTECTION | SHOST_DIX_TYPE1_PROTECTION |
 			    SHOST_DIX_TYPE2_PROTECTION | SHOST_DIX_TYPE3_PROTECTION;
-- 
2.1.4

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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