From: Martin K. Petersen <martin.petersen@oracle.com>
Date: Tue, 14 Apr 2015 21:11:03 +0000 (-0400)
Subject: sd: Fix missing ATO tag check
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e557990e358934fb168d30371c9c0f63e314c6b8;p=linux-beck.git

sd: Fix missing ATO tag check

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@oracle.com>
Cc: <stable@vger.kernel.org> # v3.17+
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
---

diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c
index 14c7d42a11c2..5c06d292b94c 100644
--- a/drivers/scsi/sd_dif.c
+++ b/drivers/scsi/sd_dif.c
@@ -77,7 +77,7 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
 
 		disk->integrity->flags |= BLK_INTEGRITY_DEVICE_CAPABLE;
 
-		if (!sdkp)
+		if (!sdkp->ATO)
 			return;
 
 		if (type == SD_DIF_TYPE3_PROTECTION)