[patch added to 3.12-stable] be2iscsi: Fix bogus WARN_ON length check

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From: Tim Gardner <tim.gardner@xxxxxxxxxxxxx>

This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.

===============

commit dd29dae00d39186890a5eaa2fe4ad8768bfd41a9 upstream.

drivers/scsi/be2iscsi/be_main.c: In function 'be_sgl_create_contiguous':
drivers/scsi/be2iscsi/be_main.c:3187:18: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
  WARN_ON(!length > 0);

gcc version 5.2.1

Signed-off-by: Tim Gardner <tim.gardner@xxxxxxxxxxxxx>
Cc: Jayamohan Kallickal <jayamohan.kallickal@xxxxxxxxxxxxx>
Cc: Minh Tran <minh.tran@xxxxxxxxxxxxx>
Cc: John Soni Jose <sony.john-n@xxxxxxxxxxxxx>
Cc: "James E.J. Bottomley" <JBottomley@xxxxxxxx>
Reported-by: Joel Stanley <joel@xxxxxxxxx>
Reviewed-by: Manoj Kumar <manoj@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Cc: Willy Tarreau <w@xxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
 drivers/scsi/be2iscsi/be_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 8eeb24272154..fdff867f9d8e 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -2978,7 +2978,7 @@ be_sgl_create_contiguous(void *virtual_address,
 {
 	WARN_ON(!virtual_address);
 	WARN_ON(!physical_address);
-	WARN_ON(!length > 0);
+	WARN_ON(!length);
 	WARN_ON(!sgl);
 
 	sgl->va = virtual_address;
-- 
2.10.0

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