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Subject[PATCH 5.3 024/197] drm/komeda: prevent memory leak in komeda_wb_connector_add
Date
From: Navid Emamdoost <navid.emamdoost@gmail.com>

[ Upstream commit a0ecd6fdbf5d648123a7315c695fb6850d702835 ]

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: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c b/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
index 23fbee268119f..b72840c06ab76 100644
--- 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(struct komeda_kms_dev *kms,
&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);

--
2.20.1


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