Re: [PATCH v4 1/4] usb: renesas_usbhs: gadget: fix NULL pointer dereference in ep_disable()

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On Fri, Oct 31, 2014 at 10:24:21AM +0900, Yoshihiro Shimoda wrote:
> From: Kazuya Mizuguchi <kazuya.mizuguchi.ks@xxxxxxxxxxx>
> 
> 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@xxxxxxxxxxx>
> Signed-off-by: Takeshi Kihara <takeshi.kihara.df@xxxxxxxxxxx>
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>

which commit caused this ? You need something like:

Fixes: deadbeef (commit subject line)
Cc: <stable@xxxxxxxxxxxxxxx> # v3.14+

So stable folks know how far back this needs to be backported to.

-- 
balbi

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