From: Marcel Holtmann <marcel@holtmann.org>
To: Dan Carpenter <error27@gmail.com>
Cc: samuel.ortiz@intel.com, yi.zhu@intel.com, linux-wireless@vger.kernel.org
Subject: Re: [patch] wireless: ERR_PTR vs null
Date: Sat, 25 Jul 2009 14:46:05 +0200 [thread overview]
Message-ID: <1248525965.28545.158.camel@violet> (raw)
In-Reply-To: <alpine.DEB.2.00.0907241000250.11771@bicker>
Hi Dan,
> iwm_wdev_alloc() returns an ERR_PTR on failure and not null. It also
> prints its own dev_err() message so I removed that as well.
>
> Compile tested only. Sorry.
> Found by smatch (http://repo.or.cz/w/smatch.git).
>
> regards,
> dan carpenter
>
> Signed-off-by: Dan Carpenter <error27@gmail.com>
>
> --- orig/drivers/net/wireless/iwmc3200wifi/netdev.c 2009-07-24 09:56:49.000000000 +0300
> +++ devel/drivers/net/wireless/iwmc3200wifi/netdev.c 2009-07-24 09:57:31.000000000 +0300
> @@ -106,10 +106,8 @@
> int ret = 0;
>
> wdev = iwm_wdev_alloc(sizeof_bus, dev);
> - if (!wdev) {
> - dev_err(dev, "no memory for wireless device instance\n");
> - return ERR_PTR(-ENOMEM);
> - }
> + if (IS_ERR(wdev))
> + return wdev;
>
> iwm = wdev_to_iwm(wdev);
> iwm->bus_ops = if_ops;
I just quickly double-checked with the code. Patch looks good.
Regards
Marcel
next prev parent reply other threads:[~2009-07-25 12:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-25 12:22 [patch] wireless: ERR_PTR vs null Dan Carpenter
2009-07-25 12:46 ` Marcel Holtmann [this message]
2009-07-27 1:26 ` Zhu Yi
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=1248525965.28545.158.camel@violet \
--to=marcel@holtmann.org \
--cc=error27@gmail.com \
--cc=linux-wireless@vger.kernel.org \
--cc=samuel.ortiz@intel.com \
--cc=yi.zhu@intel.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).