From: Kalle Valo <kvalo-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
To: Colin Ian King <colin.king-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
Cc: Jakub Kicinski <kubakici-5tc4TXWwyLM@public.gmane.org>,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Matthias Brugger
<matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [V3] mt7601u: do not free dma_buf when ivp allocation fails
Date: Mon, 7 Mar 2016 12:39:54 +0000 (UTC) [thread overview]
Message-ID: <20160307123954.8575E60375@smtp.codeaurora.org> (raw)
In-Reply-To: <1456442667-19751-1-git-send-email-colin.king-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
> From: Colin Ian King <colin.king-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
>
> If the allocation of ivp fails the error handling attempts to
> free an uninitialized dma_buf; this data structure just contains
> garbage on the stack, so the freeing will cause issues when the
> urb, buf and dma fields are free'd. Fix this by not free'ing the
> dma_buf if the ivp allocation fails.
>
> Signed-off-by: Colin Ian King <colin.king-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
> Reviewed-by: Julian Calaby <julian.calaby-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Thanks, applied to wireless-drivers-next.git.
Kalle Valo
next prev parent reply other threads:[~2016-03-07 12:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-25 23:24 [PATCH][V3] mt7601u: do not free dma_buf when ivp allocation fails Colin King
2016-02-25 23:31 ` Julian Calaby
[not found] ` <1456442667-19751-1-git-send-email-colin.king-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
2016-02-25 23:36 ` Kuba Kicinski
2016-03-07 12:39 ` Kalle Valo [this message]
2016-03-07 12:39 ` [V3] " Kalle Valo
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