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drm/meson: fix memory leak on ->hpd_notify callback

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commit 099f0af9d9 upstream.

The EDID returned by drm_bridge_get_edid() needs to be freed.

Fixes: 0af5e0b411 ("drm/meson: encoder_hdmi: switch to bridge DRM_BRIDGE_ATTACH_NO_CONNECTOR")
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: Neil Armstrong <neil.armstrong@linaro.org>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-amlogic@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: stable@vger.kernel.org # v5.17+
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230914131015.2472029-1-jani.nikula@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jani Nikula
2023-09-14 16:10:15 +03:00
committed by Greg Kroah-Hartman
parent 91f1f025b6
commit 66cb6d74f5
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/meson/meson_encoder_hdmi.c
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@@ -326,6 +326,8 @@ static void meson_encoder_hdmi_hpd_notify(struct drm_bridge *bridge,
return;
cec_notifier_set_phys_addr_from_edid(encoder_hdmi->cec_notifier, edid);
kfree(edid);
} else
cec_notifier_phys_addr_invalidate(encoder_hdmi->cec_notifier);
}