From: Don Brace <don.brace@pmcs.com>
To: hch@infradead.org, webb.scales@hp.com,
james.bottomley@parallels.com, brace@pmcs.com
Cc: linux-scsi@vger.kernel.org
Subject: [PATCH 04/13] hpsa: correct off-by-one sizing of chained SG block
Date: Fri, 14 Nov 2014 17:26:43 -0600 [thread overview]
Message-ID: <20141114232643.20808.51191.stgit@don-ProLiant-MicroServer-Gen8> (raw)
In-Reply-To: <20141114231145.20808.76898.stgit@don-ProLiant-MicroServer-Gen8>
From: Webb Scales <webbnh@hp.com>
Correct the size calculation of the chained SG block
Signed-off-by: Don Brace <don.brace@pmcs.com>
Signed-off-by: Webb Scales <webbnh@hp.com>
Reviewed-by: Stephen M. Cameron <stephenmcameron@gmail.com>
Reviewed-by: Don Brace <don.brace@pmcs.com>
---
drivers/scsi/hpsa.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index ed92e9e..f57081c 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -6321,11 +6321,11 @@ static void hpsa_find_board_params(struct ctlr_info *h)
h->max_cmd_sg_entries = 31;
if (h->maxsgentries > 512) {
h->max_cmd_sg_entries = 32;
- h->chainsize = h->maxsgentries - h->max_cmd_sg_entries + 1;
+ h->chainsize = h->maxsgentries - h->max_cmd_sg_entries;
h->maxsgentries--; /* save one for chain pointer */
} else {
- h->maxsgentries = 31; /* default to traditional values */
h->chainsize = 0;
+ h->maxsgentries = 31; /* default to traditional values */
}
/* Find out what task management functions are supported and cache */
next prev parent reply other threads:[~2014-11-14 23:25 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-14 23:26 [PATCH 00/13] hpsa update Don Brace
2014-11-14 23:26 ` [PATCH 01/13] hpsa: Clean up warnings from sparse Don Brace
2014-11-14 23:26 ` [PATCH 02/13] hpsa: remove dev_warn prints from RAID-1ADM Don Brace
2014-11-14 23:26 ` [PATCH 03/13] hpsa: fix a couple pci id table mistakes Don Brace
2014-11-14 23:26 ` Don Brace [this message]
2014-11-14 23:26 ` [PATCH 05/13] hpsa: remove 'action required' phrasing Don Brace
2014-11-14 23:26 ` [PATCH 06/13] hpsa: fix allocation sizes for CISS_REPORT_LUNs commands Don Brace
2014-11-14 23:26 ` [PATCH 07/13] hpsa: fix endianness issue with scatter gather elements Don Brace
2014-11-14 23:27 ` [PATCH 08/13] hpsa: get rid of type/attribute/direction bit field where possible Don Brace
2014-11-14 23:27 ` [PATCH 09/13] hpsa: use atomics for commands_outstanding Don Brace
2014-11-14 23:27 ` [PATCH 10/13] hpsa: do not be so noisy about check conditions Don Brace
2014-11-14 23:27 ` [PATCH 11/13] hpsa: Convert SCSI LLD ->queuecommand() for host_lock less operation Don Brace
2014-11-14 23:27 ` [PATCH 12/13] hpsa: always call pci_set_master after pci_enable_device Don Brace
2014-11-14 23:27 ` [PATCH 13/13] hpsa: remove spin lock around command allocation Don Brace
2014-11-20 15:55 ` [PATCH 00/13] hpsa update Christoph Hellwig
2014-11-24 19:22 ` brace
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20141114232643.20808.51191.stgit@don-ProLiant-MicroServer-Gen8 \
--to=don.brace@pmcs.com \
--cc=brace@pmcs.com \
--cc=hch@infradead.org \
--cc=james.bottomley@parallels.com \
--cc=linux-scsi@vger.kernel.org \
--cc=webb.scales@hp.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox