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[PATCH-v2,09/15] target/iblock: Add checks for backend DIF emulation

Message ID 1427686104-14231-10-git-send-email-nab@daterainc.com (mailing list archive)
State New, archived
Headers show

Commit Message

Nicholas A. Bellinger March 30, 2015, 3:28 a.m. UTC 
From: Nicholas Bellinger <nab@linux-iscsi.org>

Make sure that IBLOCK only attempts to use backend DIF emulation
when it's actually enabled at device level.

Cc: Martin Petersen <martin.petersen@oracle.com>
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---
 drivers/target/target_core_iblock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 2520cbf..1b7947c 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -774,7 +774,7 @@  iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
 		sg_num--;
 	}
 
-	if (cmd->prot_type) {
+	if (cmd->prot_type && dev->dev_attrib.pi_prot_type) {
 		int rc = iblock_alloc_bip(cmd, bio_start);
 		if (rc)
 			goto fail_put_bios;