From mboxrd@z Thu Jan  1 00:00:00 1970
From: Felipe Balbi <balbi@ti.com>
Date: Fri, 31 Oct 2014 02:57:59 +0000
Subject: Re: [PATCH v4 1/4] usb: renesas_usbhs: gadget: fix NULL pointer dereference in ep_disable()
Message-Id: <20141031025759.GA1080@saruman>
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List-Id: <linux-sh.vger.kernel.org>
References: <1414718664-4568-2-git-send-email-yoshihiro.shimoda.uh@renesas.com>
In-Reply-To: <1414718664-4568-2-git-send-email-yoshihiro.shimoda.uh@renesas.com>
To: linux-sh@vger.kernel.org

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On Fri, Oct 31, 2014 at 10:24:21AM +0900, Yoshihiro Shimoda wrote:
> From: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
>=20
> 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.
>=20
> 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.

--=20
balbi

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