From: Navid Emamdoost <navid.emamdoost@gmail.com>
Date: Tue, 24 Sep 2019 23:30:30 -0500
Subject: drm/komeda: prevent memory leak in komeda_wb_connector_add
Git-commit: a0ecd6fdbf5d648123a7315c695fb6850d702835
Patch-mainline: 5.4-rc2
References: bnc#1151927 5.3.8
In komeda_wb_connector_add if drm_writeback_connector_init fails the
allocated memory for kwb_conn should be released.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190925043031.32308-1-navid.emamdoost@gmail.com
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
@@ -165,8 +165,10 @@ static int komeda_wb_connector_add(struc
&komeda_wb_encoder_helper_funcs,
formats, n_formats);
komeda_put_fourcc_list(formats);
- if (err)
+ if (err) {
+ kfree(kwb_conn);
return err;
+ }
drm_connector_helper_add(&wb_conn->base, &komeda_wb_conn_helper_funcs);