linux-kernel - [PATCH 3.19 139/177] sd: Fix missing ATO tag check

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Message-Id: <20150502190126.406732984@linuxfoundation.org>
Date:	Sat,  2 May 2015 21:02:41 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Sagi Grimberg <sagig@...lanox.com>,
	James Bottomley <JBottomley@...n.com>
Subject: [PATCH 3.19 139/177] sd: Fix missing ATO tag check

3.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Martin K. Petersen" <martin.petersen@...cle.com>

commit e557990e358934fb168d30371c9c0f63e314c6b8 upstream.

3aec2f41a8bae introduced a merge error where we would end up check for
sdkp instead of sdkp->ATO. Fix this so we register app tag capability
correctly.

Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Reviewed-by: Sagi Grimberg <sagig@...lanox.com>
Signed-off-by: James Bottomley <JBottomley@...n.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/scsi/sd_dif.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/scsi/sd_dif.c
+++ b/drivers/scsi/sd_dif.c
@@ -77,7 +77,7 @@ void sd_dif_config_host(struct scsi_disk

 		disk->integrity->flags |= BLK_INTEGRITY_DEVICE_CAPABLE;

-		if (!sdkp)
+		if (!sdkp->ATO)
 			return;

 		if (type == SD_DIF_TYPE3_PROTECTION)

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