From: Sergei Shtylyov <sshtylyov@mvista.com>
To: Steven Hardy <shardy@redhat.com>
Cc: Greg KH <gregkh@suse.de>, Aristeu Rozanski <aris@redhat.com>,
mjg@redhat.com, linux-usb@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [GIT PATCH 2/3 (2nd draft)] Resend : Fix memory leak in qcserial driver
Date: Tue, 29 Mar 2011 15:26:35 +0400 [thread overview]
Message-ID: <4D91C1EB.5060604@ru.mvista.com> (raw)
In-Reply-To: <20110328221636.GA8195@shardy.csb>
Hello.
On 29-03-2011 2:16, Steven Hardy wrote:
> Second draft of patch #2, this addresses the review comments made by Aristeu Rozanski, now usb_set_serial_data() is only called when we are not returning -ENODEV
Such comments should be put under --- tearline (which should appear under
your signoff). Otherwise Greg will have to hand edit them out of your patch.
> Original description:
Omit that please.
> Don't assign serial->private when doing the kzalloc or serial->private ends up pointing to freed memory in the event we return -ENODEV, instead call usb_set_serial_data(serial, data) at the end of the function, and only have one return-point.
Still not properly wrapped.
> Signed-off-by: Steve Hardy<shardy@redhat.com>
> diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
> index 6e3b933..b9b97ad 100644
> --- a/drivers/usb/serial/qcserial.c
> +++ b/drivers/usb/serial/qcserial.c
[...]
> @@ -199,9 +199,12 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
> dev_err(&serial->dev->dev,
> "unknown number of interfaces: %d\n", nintf);
> kfree(data);
> - return -ENODEV;
> + retval = -ENODEV;
> }
>
> + /* Set serial->private if not returning -ENODEV */
> + if ( retval != -ENODEV )
No spaces after ( and before ) allowed.
WBR, Sergei
next prev parent reply other threads:[~2011-03-29 11:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-28 14:06 [GIT PATCH] Fix memory leak in qcserial driver Steven Hardy
2011-03-28 14:21 ` Greg KH
2011-03-28 17:33 ` [GIT PATCH 1/3] Resend : " Steven Hardy
2011-03-28 17:38 ` [GIT PATCH 2/3] " Steven Hardy
2011-03-29 11:22 ` Sergei Shtylyov
2011-03-28 17:41 ` [GIT PATCH 3/3] " Steven Hardy
2011-03-28 22:16 ` [GIT PATCH 2/3 (2nd draft)] " Steven Hardy
2011-03-29 11:26 ` Sergei Shtylyov [this message]
2011-04-04 16:57 ` [PATCH 1/3] usb: Fix qcserial memory leak on rmmod Steven Hardy
2011-04-04 16:59 ` [PATCH 2/3] usb: qcserial avoid pointing to freed memory Steven Hardy
2011-04-04 17:02 ` [PATCH 3/3] usb: qcserial add missing errorpath kfrees Steven Hardy
2011-03-29 13:22 ` [GIT PATCH 2/3 (2nd draft)] Resend : Fix memory leak in qcserial driver Aristeu Rozanski
2011-03-28 17:34 ` [GIT PATCH] " Aristeu Rozanski
2011-03-28 17:48 ` Steven Hardy
2011-03-28 17:54 ` Aristeu Rozanski
2011-03-28 20:42 ` Steven Hardy
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=4D91C1EB.5060604@ru.mvista.com \
--to=sshtylyov@mvista.com \
--cc=aris@redhat.com \
--cc=gregkh@suse.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=mjg@redhat.com \
--cc=shardy@redhat.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