From: Greg KH <gregkh@linuxfoundation.org>
To: Jitendra <jkhasdev@gmail.com>
Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] staging: rtl8192e: fix array of flexible structures
Date: Wed, 28 Apr 2021 08:01:21 +0200 [thread overview]
Message-ID: <YIj6MUO5+EDBzOwl@kroah.com> (raw)
In-Reply-To: <20210427185844.GA1030@gmail.com>
On Wed, Apr 28, 2021 at 12:28:44AM +0530, Jitendra wrote:
> On Tue, Apr 27, 2021 at 08:10:20PM +0200, Greg KH wrote:
> > On Tue, Apr 27, 2021 at 11:19:45PM +0530, Jitendra Khasdev wrote:
> > > This patch fixes sparse warning "array of flexible structures"
> > > for rtllib.h.
> > >
> > > eg. drivers/staging/rtl8192e/rtllib.h:832:48: warning: array of
> > > flexible structures
> > >
> > > Signed-off-by: Jitendra Khasdev <jkhasdev@gmail.com>
> > > ---
> > > drivers/staging/rtl8192e/rtllib.h | 10 +++++-----
> > > 1 file changed, 5 insertions(+), 5 deletions(-)
> > >
> > > diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
> > > index 4cabaf2..c7cb318 100644
> > > --- a/drivers/staging/rtl8192e/rtllib.h
> > > +++ b/drivers/staging/rtl8192e/rtllib.h
> > > @@ -802,7 +802,7 @@ struct rtllib_authentication {
> > > __le16 transaction;
> > > __le16 status;
> > > /*challenge*/
> > > - struct rtllib_info_element info_element[];
> > > + struct rtllib_info_element *info_element;
> >
> > You just changed the definition of this structure, and the other
> > structures here. Are you sure this is working properly?
> >
>
> I have compiled the driver and install it on my vm, but I don't this specific
> hardware, so couldn't test it.
>
> I fixed in context of sparse.
Please verify that this change is correct by looking at how the
structures are being created (i.e. is this being treated as a flexible
array or a pointer?)
I think we have been through this before and that sparse is not right,
but I can't remember...
thanks,
greg k-h
_______________________________________________
devel mailing list
devel@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
next prev parent reply other threads:[~2021-04-28 6:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-27 17:49 [PATCH] staging: rtl8192e: fix array of flexible structures Jitendra Khasdev
2021-04-27 18:10 ` Greg KH
2021-04-27 18:58 ` Jitendra
2021-04-28 6:01 ` Greg KH [this message]
2021-04-28 7:24 ` Jitendra
2021-04-29 14:20 ` Dan Carpenter
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=YIj6MUO5+EDBzOwl@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=devel@driverdev.osuosl.org \
--cc=jkhasdev@gmail.com \
--cc=linux-kernel@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 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).