xen-devel.lists.xenproject.org archive mirror
 help / color / mirror / Atom feed
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Marek Marczykowski <marmarek@mimuw.edu.pl>
Cc: xen-devel@lists.xensource.com
Subject: Re: [PATCH] blkfront: fix data size for xenbus_gather in, blkfront_connect
Date: Tue, 3 May 2011 11:40:01 -0400	[thread overview]
Message-ID: <20110503154001.GA9380@dumpdata.com> (raw)
In-Reply-To: <4DBE902B.7050200@mimuw.edu.pl>

On Mon, May 02, 2011 at 01:06:19PM +0200, Marek Marczykowski wrote:
> barrier variable is int, not long. This overflow caused another variable
> override: "err" (in PV code) and "binfo" (in xenlinux code -
> drivers/xen/blkfront/blkfront.c). The later caused incorrect device
> flags (RO/removable etc).

Weird, I get this:

konrad@phenom:~/work/linux$ patch -p1 < ~/for-40-blkfront 
patching file drivers/block/xen-blkfront.c
patch: **** malformed patch at line 124: *info)

Any ideas? Can you send the patch as attachment please?
> 
> Signed-off-by: Marek Marczykowski <marmarek@mimuw.edu.pl>
> ---
>  drivers/block/xen-blkfront.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
> index 70f3b1b..6147a4e 100644
> --- a/drivers/block/xen-blkfront.c
> +++ b/drivers/block/xen-blkfront.c
> @@ -1151,7 +1151,7 @@ static void blkfront_connect(struct blkfront_info
> *info)
>  	}
> 
>  	err = xenbus_gather(XBT_NIL, info->xbdev->otherend,
> -			    "feature-barrier", "%lu", &barrier,
> +			    "feature-barrier", "%d", &barrier,
>  			    NULL);
> 
>  	/*
> 



> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel

  parent reply	other threads:[~2011-05-03 15:40 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-02 11:06 [PATCH] blkfront: fix data size for xenbus_gather in, blkfront_connect Marek Marczykowski
2011-05-03 12:58 ` Ian Campbell
2011-05-03 15:40 ` Konrad Rzeszutek Wilk [this message]
2011-05-03 15:43   ` Ian Campbell
2011-05-03 15:43   ` Marek Marczykowski

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=20110503154001.GA9380@dumpdata.com \
    --to=konrad.wilk@oracle.com \
    --cc=marmarek@mimuw.edu.pl \
    --cc=xen-devel@lists.xensource.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;
as well as URLs for NNTP newsgroup(s).