From: "John W. Linville" <linville@tuxdriver.com>
To: Oliver Neukum <oliver@neukum.org>
Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
linux-usb@vger.kernel.org, Michael Wu <flamingice@sourmilk.net>,
Andrea Merello <andreamrl@tiscali.it>
Subject: Re: [patch] resource leak in error case in rtl8187
Date: Thu, 15 May 2008 14:57:24 -0400 [thread overview]
Message-ID: <20080515185724.GA17690@tuxdriver.com> (raw)
In-Reply-To: <200805151617.37968.oliver@neukum.org>
On Thu, May 15, 2008 at 04:17:36PM +0200, Oliver Neukum wrote:
> Hi,
>
> this fixes a resource leak in the error case of the write code path.
>
> Regards
> Oliver
>
> Signed-off-by: Oliver Neukum <oneukum@suse.de>
>
> ---
>
> --- linux-2.6.26-rc1/drivers/net/wireless/rtl8187_dev.c.alt 2008-05-15 15:53:58.000000000 +0200
> +++ linux-2.6.26-rc1/drivers/net/wireless/rtl8187_dev.c 2008-05-15 15:57:35.000000000 +0200
> @@ -169,6 +169,7 @@ static int rtl8187_tx(struct ieee80211_h
> struct urb *urb;
> __le16 rts_dur = 0;
> u32 flags;
> + int rv;
>
> urb = usb_alloc_urb(0, GFP_ATOMIC);
> if (!urb) {
> @@ -208,7 +209,11 @@ static int rtl8187_tx(struct ieee80211_h
> info->dev = dev;
> usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, 2),
> hdr, skb->len, rtl8187_tx_cb, skb);
> - usb_submit_urb(urb, GFP_ATOMIC);
> + rv = usb_submit_urb(urb, GFP_ATOMIC);
> + if (rv < 0) {
> + usb_free_urb(urb);
> + kfree_skb(skb);
> + }
>
> return 0;
> }
Don't we need the same type of fix applied to rtl8187_iowrite_async
as well? Would you like to resubmit (or submit a second patch)
with that fix included?
Also, a nit: I would prefer "rc" instead of "rv" just for idiomatic
purposes.
John
--
John W. Linville
linville@tuxdriver.com
next prev parent reply other threads:[~2008-05-15 19:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-15 14:17 [patch] resource leak in error case in rtl8187 Oliver Neukum
2008-05-15 18:57 ` John W. Linville [this message]
2008-05-15 19:46 ` Oliver Neukum
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