From: Felipe Balbi <balbi@ti.com>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH v4 1/4] usb: renesas_usbhs: gadget: fix NULL pointer dereference in ep_disable()
Date: Fri, 31 Oct 2014 02:57:59 +0000 [thread overview]
Message-ID: <20141031025759.GA1080@saruman> (raw)
In-Reply-To: <1414718664-4568-2-git-send-email-yoshihiro.shimoda.uh@renesas.com>
[-- Attachment #1: Type: text/plain, Size: 910 bytes --]
On Fri, Oct 31, 2014 at 10:24:21AM +0900, Yoshihiro Shimoda wrote:
> From: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
>
> This patch fixes an issue that the NULL pointer dereference happens
> when we uses g_audio driver. Since the g_audio driver will call
> usb_ep_disable() in afunc_set_alt() before it calls usb_ep_enable(),
> the uep->pipe of renesas usbhs driver will be NULL. So, this patch
> adds a condition to avoid the oops.
>
> Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
> Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> Cc: <stable@vger.kernel.org>
which commit caused this ? You need something like:
Fixes: deadbeef (commit subject line)
Cc: <stable@vger.kernel.org> # v3.14+
So stable folks know how far back this needs to be backported to.
--
balbi
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 819 bytes --]
next prev parent reply other threads:[~2014-10-31 2:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-31 1:24 [PATCH v4 1/4] usb: renesas_usbhs: gadget: fix NULL pointer dereference in ep_disable() Yoshihiro Shimoda
2014-10-31 2:57 ` Felipe Balbi [this message]
2014-10-31 3:46 ` yoshihiro shimoda
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=20141031025759.GA1080@saruman \
--to=balbi@ti.com \
--cc=linux-sh@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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.