linux-kernel - [PATCH] drm/mcde: Fix some resource leak in an error path in 'mcde

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20190915194114.27658-1-christophe.jaillet@wanadoo.fr>
Date:   Sun, 15 Sep 2019 21:41:14 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     linus.walleij@...aro.org, airlied@...ux.ie, daniel@...ll.ch
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] drm/mcde: Fix some resource leak in an error path in 'mcde_probe()'

All error handling paths before and after this one go to the
'clk_disable' label in order to free some resources.

So the same here.

Fixes: ca5be902a87d ("drm/mcde: Fix uninitialized variable")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/gpu/drm/mcde/mcde_drv.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c
index 9a09eba53182..5649887d2b90 100644
--- a/drivers/gpu/drm/mcde/mcde_drv.c
+++ b/drivers/gpu/drm/mcde/mcde_drv.c
@@ -484,7 +484,8 @@ static int mcde_probe(struct platform_device *pdev)
 	}
 	if (!match) {
 		dev_err(dev, "no matching components\n");
-		return -ENODEV;
+		ret = -ENODEV;
+		goto clk_disable;
 	}
 	if (IS_ERR(match)) {
 		dev_err(dev, "could not create component match\n");
-- 
2.20.1