From: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Date: Wed, 26 Oct 2011 21:21:17 +0000 (-0500)
Subject: [SCSI] hpsa: fix flush cache transfer length
X-Git-Tag: firefly_0821_release~3680^2~4188^2~22
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bb158eabda984851d7964d968b9859383f98a701;p=firefly-linux-kernel-4.4.55.git

[SCSI] hpsa: fix flush cache transfer length

We weren't filling in the transfer length of the
flush cache command (it transfers 4 bytes of zeroes).
Firmware didn't seem to be bothered by this, but it
should be fixed.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index f3fd9f1711f7..57ed00f7050a 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -2876,6 +2876,8 @@ static void fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h,
 			c->Request.Timeout = 0;
 			c->Request.CDB[0] = BMIC_WRITE;
 			c->Request.CDB[6] = BMIC_CACHE_FLUSH;
+			c->Request.CDB[7] = (size >> 8) & 0xFF;
+			c->Request.CDB[8] = size & 0xFF;
 			break;
 		case TEST_UNIT_READY:
 			c->Request.CDBLen = 6;