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Re: [PATCH][V3] mt7601u: do not free dma_buf when ivp allocation fails

From Kuba Kicinski <kubakici@wp.pl>
Newsgroups linux.kernel
Subject Re: [PATCH][V3] mt7601u: do not free dma_buf when ivp allocation fails
Date 2016-02-26 00:50 +0100
Message-ID <r6dPs-2Ti-13@gated-at.bofh.it> (permalink)
References <r6dw5-2Lc-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 25 February 2016 18:24:27 GMT-05:00, Colin King <colin.king@canonical.com> wrote:
>From: Colin Ian King <colin.king@canonical.com>
>
>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@canonical.com>

LGTM, thanks.

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[PATCH][V3] mt7601u: do not free dma_buf when ivp allocation fails Colin King <colin.king@canonical.com> - 2016-02-26 00:30 +0100
  Re: [PATCH][V3] mt7601u: do not free dma_buf when ivp allocation fails Julian Calaby <julian.calaby@gmail.com> - 2016-02-26 00:40 +0100
  Re: [PATCH][V3] mt7601u: do not free dma_buf when ivp allocation fails Kuba Kicinski <kubakici@wp.pl> - 2016-02-26 00:50 +0100

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