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authorJani Nikula <jani.nikula@intel.com>2023-09-14 16:10:15 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-10-06 14:57:06 +0200
commitee335e0094add7fc2c7034e0534e1920d61d2078 (patch)
tree21aceeadd5a2c5bc45c24870995c6d6c109be7da
parentb60028c81e463b0930191a4fa2ba770ff6d40e3a (diff)
drm/meson: fix memory leak on ->hpd_notify callback
commit 099f0af9d98231bb74956ce92508e87cbcb896be upstream. The EDID returned by drm_bridge_get_edid() needs to be freed. Fixes: 0af5e0b41110 ("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>
-rw-r--r--drivers/gpu/drm/meson/meson_encoder_hdmi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/meson/meson_encoder_hdmi.c b/drivers/gpu/drm/meson/meson_encoder_hdmi.c
index 53231bfdf7e24..b14e6e507c61b 100644
--- a/drivers/gpu/drm/meson/meson_encoder_hdmi.c
+++ b/drivers/gpu/drm/meson/meson_encoder_hdmi.c
@@ -332,6 +332,8 @@ 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);
}