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Groups > linux.kernel > #1707511 > unrolled thread

[PATCH] drm/vc4: Fix leak of HDMI EDID

Started byEric Anholt <eric@anholt.net>
First post2017-08-09 19:00 +0200
Last post2017-08-11 19:40 +0200
Articles 4 — 3 participants

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  [PATCH] drm/vc4: Fix leak of HDMI EDID Eric Anholt <eric@anholt.net> - 2017-08-09 19:00 +0200
    Re: [PATCH] drm/vc4: Fix leak of HDMI EDID Daniel Vetter <daniel@ffwll.ch> - 2017-08-09 19:40 +0200
      Re: [PATCH] drm/vc4: Fix leak of HDMI EDID Eric Anholt <eric@anholt.net> - 2017-08-14 23:20 +0200
    Re: [PATCH] drm/vc4: Fix leak of HDMI EDID Stefan Wahren <stefan.wahren@i2se.com> - 2017-08-11 19:40 +0200

#1707511 — [PATCH] drm/vc4: Fix leak of HDMI EDID

FromEric Anholt <eric@anholt.net>
Date2017-08-09 19:00 +0200
Subject[PATCH] drm/vc4: Fix leak of HDMI EDID
Message-ID<ucCuT-1ua-27@gated-at.bofh.it>
We don't keep a pointer to it around anywhere, so it's our job to free
it.

Cc: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://github.com/anholt/linux/issues/101
Fixes: c8b75bca92cb ("drm/vc4: Add KMS support for Raspberry Pi.")
Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/vc4/vc4_hdmi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index ff09b8e2f9ee..937da8dd65b8 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -288,6 +288,7 @@ static int vc4_hdmi_connector_get_modes(struct drm_connector *connector)
 	drm_mode_connector_update_edid_property(connector, edid);
 	ret = drm_add_edid_modes(connector, edid);
 	drm_edid_to_eld(connector, edid);
+	kfree(edid);
 
 	return ret;
 }
-- 
2.13.3

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#1707625

FromDaniel Vetter <daniel@ffwll.ch>
Date2017-08-09 19:40 +0200
Message-ID<ucD7z-1Xn-13@gated-at.bofh.it>
In reply to#1707511
On Tue, Aug 08, 2017 at 01:56:05PM -0700, Eric Anholt wrote:
> We don't keep a pointer to it around anywhere, so it's our job to free
> it.
> 
> Cc: Stefan Wahren <stefan.wahren@i2se.com>
> Link: https://github.com/anholt/linux/issues/101
> Fixes: c8b75bca92cb ("drm/vc4: Add KMS support for Raspberry Pi.")
> Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> ---
>  drivers/gpu/drm/vc4/vc4_hdmi.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
> index ff09b8e2f9ee..937da8dd65b8 100644
> --- a/drivers/gpu/drm/vc4/vc4_hdmi.c
> +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
> @@ -288,6 +288,7 @@ static int vc4_hdmi_connector_get_modes(struct drm_connector *connector)
>  	drm_mode_connector_update_edid_property(connector, edid);
>  	ret = drm_add_edid_modes(connector, edid);
>  	drm_edid_to_eld(connector, edid);
> +	kfree(edid);
>  
>  	return ret;
>  }
> -- 
> 2.13.3
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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#1711469

FromEric Anholt <eric@anholt.net>
Date2017-08-14 23:20 +0200
Message-ID<ueuWe-Mv-15@gated-at.bofh.it>
In reply to#1707625

[Multipart message — attachments visible in raw view] — view raw

Daniel Vetter <daniel@ffwll.ch> writes:

> On Tue, Aug 08, 2017 at 01:56:05PM -0700, Eric Anholt wrote:
>> We don't keep a pointer to it around anywhere, so it's our job to free
>> it.
>> 
>> Cc: Stefan Wahren <stefan.wahren@i2se.com>
>> Link: https://github.com/anholt/linux/issues/101
>> Fixes: c8b75bca92cb ("drm/vc4: Add KMS support for Raspberry Pi.")
>> Signed-off-by: Eric Anholt <eric@anholt.net>
> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Pushed.  Thanks!

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#1709886

FromStefan Wahren <stefan.wahren@i2se.com>
Date2017-08-11 19:40 +0200
Message-ID<udm4G-6pu-23@gated-at.bofh.it>
In reply to#1707511
> Eric Anholt <eric@anholt.net> hat am 8. August 2017 um 22:56 geschrieben:
> 
> 
> We don't keep a pointer to it around anywhere, so it's our job to free
> it.
> 
> Cc: Stefan Wahren <stefan.wahren@i2se.com>
> Link: https://github.com/anholt/linux/issues/101
> Fixes: c8b75bca92cb ("drm/vc4: Add KMS support for Raspberry Pi.")
> Signed-off-by: Eric Anholt <eric@anholt.net>

Tested-by: Stefan Wahren <stefan.wahren@i2se.com>

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