[PATCH 3.16 237/294] be2iscsi: Fix bogus WARN_ON length check

[Ben Hutchings]

3.16.50-rc1 review patch.  If anyone has any objections, please let me know.

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

From: Tim Gardner <tim.gardner@xxxxxxxxxxxxx>

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>
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
 drivers/scsi/be2iscsi/be_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -3152,7 +3152,7 @@ be_sgl_create_contiguous(void *virtual_a
 {
 	WARN_ON(!virtual_address);
 	WARN_ON(!physical_address);
-	WARN_ON(!length > 0);
+	WARN_ON(!length);
 	WARN_ON(!sgl);
 
 	sgl->va = virtual_address;