All of lore.kernel.org
 help / color / mirror / Atom feed
From: Dave Jones <davej@redhat.com>
To: akpm@linux-foundation.org
Cc: James.Bottomley@steeleye.com, linux-scsi@vger.kernel.org,
	dmueller@suse.de, eric.moore@lsi.com
Subject: Re: [patch 10/28] Fix |/|| confusion in fusion driver
Date: Mon, 21 May 2007 20:59:47 -0400	[thread overview]
Message-ID: <20070522005947.GC12157@redhat.com> (raw)
In-Reply-To: <200705110600.l4B60rGD008145@shell0.pdx.osdl.net>

On Thu, May 10, 2007 at 11:00:53PM -0700, Andrew Morton wrote:
 > From: Dirk Mueller <dmueller@suse.de>
 > 
 > This patch corrects a |/|| confusion in mptscsih_copy_sense_data.  Using ||
 > means that the data that ends up being written is (almost always) 1,
 > instead of being bit-wise or'ed.

Andrew, the last time this was posted, Eric picked up on some other
flaws in the same area. James asked him to followup with a patch, but
unless I'm mistaken, that never arrived.
This diff should replace the one in your tree until Eric has an
equivalent or better.

Signed-off-by: Dave Jones <davej@redhat.com>

diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index d25d3be..165f81d 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -436,7 +436,7 @@ typedef struct _MPT_SAS_MGMT {
 typedef struct _mpt_ioctl_events {
 	u32	event;		/* Specified by define above */
 	u32	eventContext;	/* Index or counter */
-	int	data[2];	/* First 8 bytes of Event Data */
+	u32	data[2];	/* First 8 bytes of Event Data */
 } MPT_IOCTL_EVENTS;
 
 /*
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index fa0f776..3bd94f1 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -2463,11 +2463,11 @@ mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR
 				ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
 				ioc->events[idx].eventContext = ioc->eventContext;
 
-				ioc->events[idx].data[0] = (pReq->LUN[1] << 24) ||
-					(MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) ||
-					(sc->device->channel << 8) || sc->device->id;
+				ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
+					(MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
+					(sc->device->channel << 8) | sc->device->id;
 
-				ioc->events[idx].data[1] = (sense_data[13] << 8) || sense_data[12];
+				ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
 
 				ioc->eventContext++;
 				if (hd->ioc->pcidev->vendor ==

-- 
http://www.codemonkey.org.uk

  reply	other threads:[~2007-05-22  1:00 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-11  6:00 [patch 10/28] Fix |/|| confusion in fusion driver akpm
2007-05-22  0:59 ` Dave Jones [this message]
2007-05-22 19:49   ` Moore, Eric

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=20070522005947.GC12157@redhat.com \
    --to=davej@redhat.com \
    --cc=James.Bottomley@steeleye.com \
    --cc=akpm@linux-foundation.org \
    --cc=dmueller@suse.de \
    --cc=eric.moore@lsi.com \
    --cc=linux-scsi@vger.kernel.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.