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From:   Navid Emamdoost <navid.emamdoost@gmail.com>
Cc:     emamd001@umn.edu, kjlu@umn.edu, smccaman@umn.edu,
        Navid Emamdoost <navid.emamdoost@gmail.com>,
        "James (Qian) Wang" <james.qian.wang@arm.com>,
        Liviu Dudau <liviu.dudau@arm.com>,
        Brian Starkey <brian.starkey@arm.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH] drm/komeda: prevent memory leak in komeda_wb_connector_add
Date:   Tue, 24 Sep 2019 23:30:30 -0500
Message-Id: <20190925043031.32308-1-navid.emamdoost@gmail.com>
To:     unlisted-recipients:; (no To-header on input)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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>
---
 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 2851cac94d86..75133f967fdb 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c
@@ -166,8 +166,10 @@ 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);
 
-- 
2.17.1