From 8b32948690946e89c198e44f8a1252295473f348 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Tue, 17 Oct 2017 23:43:43 +0300 Subject: [PATCH] drm/bridge: adv7511: Fix a use after free We free "edid", then use it again on the next line. Fixes: 3b1b975003e4 ("drm: adv7511/33: add HDMI CEC support") Signed-off-by: Dan Carpenter Signed-off-by: Archit Taneja Link: https://patchwork.freedesktop.org/patch/msgid/20171017204343.zctliubjkq7imudi@mwanda --- drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 31ca883bda83..0e14f1572d05 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -607,10 +607,10 @@ static int adv7511_get_modes(struct adv7511 *adv7511, adv7511_set_config_csc(adv7511, connector, adv7511->rgb, drm_detect_hdmi_monitor(edid)); - kfree(edid); - cec_s_phys_addr_from_edid(adv7511->cec_adap, edid); + kfree(edid); + return count; }